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Best t5 grow light 2018 – [Buyer’s Guide]

Last Updated October 1, 2020

Norman RyanLooking for ways to bring your t5 grow light to the next level? Then you’ve come to the right place. I’m Norman Ryan. After more than 48 hours of research and testing, which included using 19 different t5 grow light in five cities and interviewing product teams at five major companies, I made a list of the best t5 grow light of 2018

Eventually, I found something that would suit my needs but it occurred to me that I wasn’t the only one who might be having the same problems I did. In this article, I’ve listed down the Top 3 list. These are the best t5 grow light your money can buy.

Best t5 grow light of 2018

The “Total” indicates the overall value of the product. I’ve based my selection methodology on customer feedback, the size, functionality, and budget to meet various demands.

However, after giving you the TOP list, I will also give you some of the benefits you stand to gains for using it. Whether you’re looking to upgrade your comfort, style, or accessibility, we have picks to fit a variety of needs and budgets.

Test Results and Ratings

Rank №1 №2 №3
Total 4.8 4.5 4.3
5 points
5 points
4 points
5 points
5 points
4 points
4 points
4 points
4 points
5 points
4 points
5 points
Awards 1
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№1 – Yield Lab Complete 24w 2 Foot 1 Bulb T5 Fluorescent Grow Light Kit

Yield Lab Complete 24w 2 Foot 1 Bulb T5 Fluorescent Grow Light Kit

Designed for simple setup and use, the Yield Lab Complete T5 Fluorescent Grow Light Kit will be able to grow your chili’s, peppers, clones, and seedlings until they’re ready to flower and start baring fruit
Yield Lab T5 fluorescent bulbs have low heat emission which allows you to hang these lights close to you plants without burning or bleaching them
Not found yet.

Why did this t5 grow light win the first place?

I really enjoy the design. It is compact, comfortable and reliable. And it looks amazing! I am very happy with the purchase. It is definitely worth its money. The product is top-notch! I also liked the delivery service that was fast and quick to react. It was delivered on the third day. The product is very strong. Its material is stable and doesn’t crack.
















№2 – Yield Lab 54w T5 Fluorescent Grow Light Bulbs

Yield Lab 54w T5 Fluorescent Grow Light Bulbs

Yield Lab T5 Fluorescent Bloom Light Bulbs give your garden the perfect light for for medical flowers, ornamental flowers, fruiting plants, chili’s, spices, and leafy greens
Perfect for supplemental lighting and as a stand-alone light source
Package Includes: 5x Yield Lab T5 Fluorescent Bloom Light Bulbs
Lack of durability.
A little bit heavy.

Why did this t5 grow light come in second place?

This is a pretty decent product that perfectly fitted the interior of our office. Managers explained me all the details about the product range, price, and delivery. I recommend you to consider buying this model, it definitely worth its money. The material is pretty strong and easy to wash if needed.
















№3 – Hydroplanet T5 4ft 8lamp Fluorescent Ho Bulbs Included for Indoor Horticulture Gardening T5 Grow Lights Fixtures

Hydroplanet T5 4ft 8lamp Fluorescent Ho Bulbs Included for Indoor Horticulture Gardening T5 Grow Lights Fixtures

Plug and play ballasts saves time and hassle
Operates on 110V/120V,15′ power cord,ETL Listed.
Includes 8 x 6500K HO Grow bulbs.Daisy chained outlet .1 x Hanger.
It is on the expensive side, but in the long run, it can save you a ton of money..
Quality control seems to be an issue.

Why did this t5 grow light take third place?

It is inconvenient to use due to the size. I am going to get something different next time. It doesn’t squeaks nor bents. Looks great in my apartment. I liked the design. We’ve been using it for 2 months and it still looks like brand new. A very convenient model. It is affordable and made of high-quality materials.
















t5 grow light Buyer’s Guide

If you keep the before points in mind, you can easily go out to the market and buy t5 grow light, right? No!

Things to Consider

Tfluorescent grows bulbs arrive in an extraordinary dimension. These tube lights quantify 5/8″ in diameter, and that’s where they obtain their name. There are various choices available concerning length which makes it possible to cover the plants correctly and allow you to be sure that there’s room on your increase for them. The majority of Tlamps that you will encounter are in two dimensions: four-foot versions and 2-foot versions. For the majority of chambers that are mature, these can be to match within develop tables.


The plan of these sorts of mature lights makes it feasible to have far lower temperature while they’re operating. According to the statistics from GE, the Tversion grows bulbs are rated in only 9levels. This is lower than every other mild, other making it feasible precisely where they have to become to maintain your lights near your plants.

Tand CFL 

TFluorescent grow light fixtures for indoor gardening are all-in-one systems. This means no external ballast is needed and they have built in reflectors. In most cases they will come with bulbs installed and may even offer a grow or bloom version.

CFL grow lights for indoor gardening are usually either smaller 25w medium base socket (standard light socket) or 125w CFLs. Be sure to purchase industry specific lighting and not just standard lighting found in supply stores. Indoor gardening industry CFLs are self-ballasted, meaning they screw into a CFL reflector and are ready to go. Most cheap 125w CFLs found at general lighting supply stores have a non-ballasted bulb because they are designed for outdoor lighting fixtures with a built-in ballast.

The trade-off for the simplicity and lack of heat comes in the form of less usable plant growth specific light and less light penetration. Many growers use fluorescent lights for veg growth only or as supplemental lighting in the flowering stage. It can produce lackluster results as the primary light source during the bloom stage due to the lack of light penetration. If you use fluorescents for the flowering stage, a canopy growing method like a screen of green should also be used. This helps maximize the fluorescent lighting and reduces the need for penetrating light.

Dual Arc Lamps

Dual arc lamps are another bulb type for HID lighting. While a dual arc lamp is technically a HPS lamp, dual arc lamps contain both bulb type components and emit a more natural, fuller light spectrum. For example, a 1000W dual arc lamp contains a 600W HPS component and 400W MH component.

Vegetative Stage

The vegetative stage of plant growth is time to have more intense light. Fluorescents are still commonly used, though with larger fixtures and more bulbs. LEDs are great for the vegetative stage too and even the older; low-technology LEDs do a decent job during this stage. Many growers have moved their older LEDs that aren’t well suited for the flowering stage to their vegetative room and experienced good results. HID Metal Halide grow lights have been the gold standard for the vegetative stage for the past few decades. They produce good results and can be used with larger plants that less intense lights like fluorescents. Ceramic Metal Halide is becoming popular and is praised for its performance during the vegetative stage of plant growth well.

Bloom Stage

HID lighting, specifically HPS grow lights, is the preferred bloom lighting for most grow rooms. Their lower initial cost and consistently good results make them ideal for most growers. High-end bulbs produce even better and the use of specialty bulbs, like finishing spectrum bulbs, can boost results even more by adding more of the frosty quality that wide/multi-spectrum lights like LEDs offer. Some growers are also using Ceramic Metal Halide for their bloom grows, though they perform better as vegetative stage lights than bloom.

There is no clear winner in our recommendation as there are many trade-offs and differences, with some being the preference of the grower and their style. T5s are our least favorite for this stage. But if they are used properly with a canopy scrog, they can provide good results. Due to the ease and affordability T5s can be a good option, just be sure to grow it right.

This experiment proves that. It also shows the ineffectiveness of using all-blue light for vegging. Sure, plants need more blue light during vegging than flowering, but they still need the other colors, too. The ideal vegging light has more blue light, but not only blue light.

The Experiment

This guy grew a head of lettuce (he used seedlings first, but discarded that experiment) under three different lights. One light was a Tfluorescent grow light, the other a 1watt all-blue LED (for vegging) and the third a 4watt red and blue LED.

In terms of cost, all option were fairly close when calculated on a cost per square inch basis, though the LEDs would cost less to run long-term. How about the results? See for yourself.

Hydro Crunch T5

The DuroLux Tgrow light is similar to the Hydro Crunch T It is feet long and is daisy chain compatible as well.  The ballast is included in the light fixture design and a 1foot power cord is included.  You have full control over the amount of light being emitted by using the light bulb regulation switches.

Agrobrite TFLT48

The Agrobrite TTube is made by Hydrofarm.  You can search online for Agrobrite Treview and they will all claim how amazing this grow light performs.  At 432W and 40,000 lumens of light this Tdelivers some powerful rays!  The on/off switches enable you to regulate how much light your plants receives.  You can also switch out bulbs for other colors.  The fixture is very durable and the lamp uses an aluminum reflector to optimize light output.  It comes with a foot power cord.  You have the ability to attach up to two fixtures via daisy chain per outlet.

Viavolt TGrow Light

Here are some good Treplacement bulbs in case you experience burn out.  You can purchase either or foot bulbs.  They have a 27ooK rating and are 5watts each.  Their lifespan is up to 20,000 hours.

Intermatic DT122K Two-Outlet Digital Timer

Owning a two-outlet digital timer is very convenient when you have two separate lights performing simultaneously.  The Intermatic DT122K digital light timer has program settings and can control both LEDs and CFLs.  It has an automatic Daylight Saving Time adjustment feature so you do not have to worry about re-programming your lighting schedule.

Tbulb Lifespan

TFluorescent grow tubes have an average lifespan of about 20000 hours of continuous usage, but different manufacturer bulbs differ in the efficiency losses and in the frequency of failures. It is crucial to get The best grow lights because they will be better at maintaining the initial lumen output.


The Company that makes your Tgrow light fixture or bulbs is also a crucial factor because badly made lights will not give you the efficiency you are looking for and the build quality of the fixture will determine how long it will last. The build quality will also determine how long will your fluorescent grow bulbs shine and high quality ones can have an average lifespan from 10000 to 20000 hours.

VIPARSPECTRA Reflector-Series LED Grow Light

Here is another trilogy of VIPARSPECTRA Reflector-Series LED Grow Light with upgraded aluminum cooling heat sink, packed spectrum layout, and reflector design. You can use these lights for all kind of indoor plants and in their all grows stages. This light can grow bigger flower and fruits that may generally you may not even see yet. Growing fresh fruit and flower depends on your provided nutrients, water, and the quality soil. You can control these things but not the daylight. That is the reason the different of quantity and quality of flower or fruits every season. But now with these cheap led grow lights, you can get the highest yield in proper time.

These lights are scientifically engineered to keep a balance with high PAR and appropriate coverage. Its proper coverage will not far to concentrate in the middle of the growing area. This will stun your plant and may be sun burning. For the 300w, 600w and 1200w model the maximum coverage will be respectively 3×2, 4xand 5xft in 2inches height.

For control the temperatures, these best LED grow lights are improved with 4.7inches fan and a big cooling heat sink made of aluminum. These high-speed cooling fans work great on faster cooling. Compare to HDI lights these LEDs are 70% cooler due to this revolutionary heat sinks and fans.

While you are using a grow light maximum time of month defiantly, it will effect on your electricity bill, as well as your money. Most of the LED lights claim they are cheap and not cases ghost electricity bills but how could you ensure on that. These three models of VIPARSPECTRA Reflector consume very low power in average power draw. The 300w consumes 136ws, 600w consumes 276w, and the 1200w consumes 514w. Compare to any HDI lights you will save a lot of money every year in electricity bills.

Ledgle Led Grow Light 300W UV IR Plant Grow Lamp

Here is another cheap led grow lights with full spectrum; the Ledgle Led Grow Light 300W UV IR Plant Grow Lamp is perfect for using any type of plant in their different growing stage. This light has UV ray, IR and white spectrum along with all necessary spectrum that your plant need to grow bigger and healthy. Also, it has a protection system that keeps the fan in low temperature and reduces the possibility of short circuit.

The Ledgle Led Grow Light is even more great compare than other ordinary grow LED lights. It has 50 6W led lights in crystal plus lens design which provide soft but bright lighting. This one is more brighter and productive form 3w and 5w LEDs. That’s why is useful for coverage ft x 2ft veg stage and ft x 1.ft for the flowering stage.

The LED light has the entire spectrum that is found in sunlight. Form 420~430nm, 440~450nm, 460~470nm, 585~595nm, 520~530nm 650~660nm, 620~630nm, 610~615nm, to the White, IR and the UV ray. These help photosynthesis and blooming. Furthermore, they contribute to lessen the germ attack and prevent diseases.

This grow led lights has some protecting diodes that added safety from any type of chips out or short circuit. To avoid overheating, the led light has two cooling fans that keep it chili from inside and outside. So, for over temperature or electrical malfunction, your view will be saved if you are not too unfortunate. Overall, it’s not has been reported by such these problem, but you have to careful about water or catching fire. Unfortunately, it lacks this kind of protection.

MEIZHI Reflector-Series 450W LED Grow Light

Here is another high quality grow light for indoor gardening- the MEIZHI Reflector-Series 450W LED Grow Light is good for covering a large area and getting healthy plants. It has 120-degree reflector panel with 1full bands spectrum for dual growth and bloom switches. Moreover, it includes a daisy chain for secure connecting with other cheap led grow lights for extended lighting facility. This best led grow lights also includes good class of aluminum heat sinks with active cooling fans and solid vents that help light to penetrate heat more efficiently.

Mostly people make their indoor garden in smaller are. Some people use tents for growing herbs or plants in the home. However, this grows light is ideal for fit for 2×3.ft area at 1inches of height. If you have a large area to cover you can add one or two more growing lights for better coverage. But this bright LED’s is very active on growing your plant. Even with its brightness, it uses only 1v current for full day cycle. It can compete with your any other HID, MH or 45w traditional lights.

This grows light has all spectrums that are essential for every type of gardening. Along with the red, yellow, blues, orange, etc. light, it has the IR LEDs. They look dim but helpful for plants on blooming stages. So, the entire seedling, veg, budding, flowering and ripening stage of your plant and herb will be just in time along with the maximum result.

As we mentioned earlier about the daisy chain and heat dissipation system- that two are a great additional feature of this grow LED. This chain provides the facility that other LEDs can connect by low power consumption. That means you can add one or two more cheap led grow lights to increase the coverage by using more or less 1000w.

Furthermore, it has two different switches, veg, and bloom which allow you to save more energy and get the best result that you want. When the veg switch is on, one fan will work when the bloom switch is on. If all two switch on, both fans will seek to control the light temperature.

Light proportion

Light proportion or ratio means the present spectrum of your lights. Spectrums are essential for growing plants; make them big and full with flower/fruit. Usually, they get it from sunlight which helps them photosynthesis process and make carbohydrate. That is why it’s important to horticulture or other plantation. Plant prefer mostly yellow, orange, red, blue, and in some cases UVand IR. Your LED grow lights should contain all these spectrums.

Duration of light

A good quality light should have a long lifespan. Usually, people think cheap lights have a low lifespan, and the expensive one has high. But the price always determines the longevity. So check out its overall performance rating researching by real customers. Longevity and good performance are important for your plants. It stays with your plants under all stages of growth.

Maintenance cost

Usually LED lights not require high maintenance cost. But some cases, the cheap light will burn out in 3/days later after installing. Some use timers also for control the on/off. However, the quality light will save your money on maintenance.

Meg Muckenhoupt

After more than 50 hours of research and interviews with five experts—including one who designed plant lighting for Antarctica and the moon—I can say that the Hydrofarm Commercial T2FT Tube Fixture is economical, is low-maintenance, runs cool in small spaces, and provides bright light for stout plants. It’s the one we would buy if we were starting seeds indoors.

For growing greens

Go with a setup like this if you plan on growing leafy greens like lettuce, kale, spinach, and herbs indoors.

Lettuce farmers and those who grow other greens are a special case. Growing a plant to maturity indoors requires far more photons than sprouting a seedling. If you’re thinking of attempting indoor lettuce, kale, spinach, herbs, or other leafy things, you need stronger stuff than a T5, which simply won’t give you enough photons in a day. Go directly to a setup with two Fluence RAY22 lights, and don’t look back.  If you’re on a budget, and junglelike growth is not a priority, Hydrofarm’s Fluorescent Grow Light Fixture will get the job done. But because they only go up to a DLI of (or if you run them at least 2hours a day) your seedlings will be a bit anemic, and will grow up to about ½-inch high at most.

How we picked and tested

Flaws but not dealbreakers

As mentioned earlier, the Hydrofarm Commercial Twill not bring your tabletop greens to their full potential. If you keep this light on 2hours a day, you’ll still only get a DLI of 9—considerably below the DLI of 1that greenhouse growers consider necessary for producing lettuce, herbs, spinach, and other greens. If you’re hankering for leafy greens, read on to see our choice for lettuce farmers below.

The Sun Blaze is a good runner-up if our main pick is unavailable. It’s essentially the same light, but there’s less information on its long-term performance.

The Sun Blaze F24T5-HO Fluorescent Grow Light Fixture is more or less an exact replica of the Hydrofarm Commercial T5, but there’s slightly less information available about its long-term performance. If our pick is sold out, or if you can get the Sun Blaze for cheaper, it’s a good bet.

The competition

The lamps higher than 200 watts were obviously overkill. They’re designed to light a 3’ by 3’ area, produce a DLI of in three hours, and need to be suspended at least 2inches over seedlings according to this Sunlight Supply Information Sheet. I eliminated the (now unavailable) G8LED 240 Watt LED Grow Light, the Horizon Grow Light Kit, and the ViaVolt 250 Watt HPS Grow Light Fixture. That left three low-wattage HPS fixtures: Horizon Grow Light Kit (now unavailable), Hydrofarm SBM150S, and the Sun System 150 Watt HPS Reflector, Ballast and Bulb.

Some Tfluorescent fixtures are a little different from our main picks, but they aren’t any better. The 2-foot Flora Hydroponics Fluorescent Grow Light System has the same features as the Lights of America Tfixture, but comes with bulbs that have a light temperature of 5000 K, not 41000 K like Lights of America, which means that light will look slightly bluer. If that matters to you, go ahead and spend a bit more on this light, but don’t expect your plants to notice the difference. If you still haven’t spent enough money on Tbulbs, you could choose to buy “full spectrum” T1grow bulbs, which will fit into the same fixture, such as the Agrosun T1or an Agrobrite 24-inch 20-watt T1bulb. I’m sure they’re charming, but they’ll only get you to a maximum DLI of if you leave a two-bulb fixture on for 2hours a day less than a foot away from little leaves. That’s enough light to raise ferns, African violets, and orchids, but seedlings of other species won’t live up to their full potential. If you have a little more to spend on bulbs and a fixture, you should just give up lattes for the week, save up, and buy the Hydrofarm Commercial T5 instead.

Pull Quote

LEDs shoot out photons at single wavelengths, not across a spectrum.

1) LEDs shoot out photons at single wavelengths, not across a spectrum.

Bugs can’t see the leaves as well if you leave out near-red and green spectrum lights, Harwood said, and some diseases and funguses are inhibited if you leave out certain spectra as well. “White” LEDs are actually groups of three or more single-wavelength LEDs put together to make light that looks white to humans—and to make your plants look like they belong on Earth instead of Pandora.

The second point—that LEDs can’t deliver as many photons per watt for a given area—is partly due to the state of technology.

The light plants need

Grow lights exist to get photons to plants. Unfortunately, it’s extremely hard to tell if a grow light will do that from the information retailers list on their web sites. Listings commonly say something like “Lumen output rated up to 8000” or “6400 K bulb” or “280 Watts Super Bright Output.” None of these statements really tell you what to know: How many photons will get to your plants’ leaves.

As you may remember from high school physics, light is a type of electromagnetic radiation that acts as both a wave and a particle. Light comes in different wavelengths, and the wavelengths that humans can see (called the visible spectrum) roughly measure between 400 and 700 nanometers. Make the wavelengths shorter—say, 350 nanometers—and you’ll get ultraviolet radiation, which humans can’t see, but is visible to bees, birds, fish, some amphibians, reptiles, and cats. Make the wavelengths slightly longer (700 nm-mm) and you’ll get infrared radiation. Some snakes, insects, and bats seem to be able to perceive infrared radiation, but not with their eyes—they have special heat-sensing organs.


While the chart above is generally true, it is important to evaluate the application and determine the cost benefit of Tover T8.  By doing so, you will be able to determine if the increased efficiency of Tjustifies the increase in initial and long term maintenance costs.

T= 90LPW  T= 99LPW

As you can see, as far as performance, the Tin this setting barely beats Tas far as CRI and LPW values.  If you didn’t understand the numbers and compare all of the variables, you could get stuck with lighting that costs much more….even though you are not getting any better lighting.

With the numbers being this close, you could never justify the substantial increase in fixture, lamp and ballast costs which is what you would get with the Tin this case.

Indoor farming is increasingly becoming popular due to its numerous benefits. Accelerated plant growth and improved yields are some of the main benefits attracting indoor growers. The practice is very popular with horticulture growers due to its benefits. With numerous lighting options available, Tgrow lights are great option to consider. They are size designation of fluorescent grow lights- T stands for tubular while stands for 5/8-inch in diameter thus the name Tgrow lights. They are available in a variety of lengths and weigh a maximum of to 30 pounds.

Compared to other alternative options such as LED, Tgrow lights are less expensive. They produce very small amounts of heat, and thus they can be suspended just a few inches above the plants to increase the light intensity. They are also cheap to run, and thus they do not require much electricity compared to LEDs. Tgrow lights are also easy to install since they are available in packs and are supplied with a power cord. You only need to connect to power to have the lights working.

Hydro Crunch Fluorescent 4FT

This is one of the best Tgrow lights in the market today. Hydro Crunch Fluorescent 4FT will transform your indoor garden significantly. With these lights, you will see your garden thrive and grow in no time. What makes this option a favourite to a majority of the growers is their flexibility in use. First, Hydro Crunch Fluorescent 4FT comes with a generous 15-foot long cord that makes it very easy to have connected with a power socket placed far in the room. The long power cord also makes possible to place the light anywhere in the room.

Sunblaster 90429NanoTech

This is another high-quality Tgrow light that you should consider. The light is designed to be lightweight, and thus you can mount it in a closet or bathroom or anywhere that you would want to grow your plants. Sunblaster 90429NanoTech is designed with a high reflector combo that allows for maximum light distribution. These lights are available in 18” fixture, and it is specifically designed to fit in the nanoDome. The fixture comes with an electronic ballast that controls the amount of power used – this is how you save a lot of money on energy bills.

Sunblaster 90429NanoTech is supplied with a long power cable, and this makes it possible to place the lights far from the power socket. With its jumper plugs, you can hang the lights or place it on a flat surface. The NanoTech reflector is designed to produce maximum reflection, and that’s how you will achieve maximum light intensity to the plants. It is a great option to shop.

Hydrofarm’s Agrobrite Designer

If you are looking for the Tgrow lights with ultimate flexibility, then this is what you should consider. The lights are available in two or four feet, and you can have two to eight tubes in one fixture. Their powder textured steel housing is a sign of the durability, and that ensure that you will enjoy the lights for a very long time. Don’t forget that you can buy the tubes separately, and thus you like to enjoy this light for years. They provide up to 40,000 lumens, and this is what makes them perfect for the high-intensity lighting.

Hydrofarm’s Agrobrite Designer can be daisy chained to provide maximum light intensity to the entire room. They are very flexible and versatile in operation in that you can hang them in an overhead or vertical position. These lights are a great choice to have in your indoor farm.

There are two types of Fluorescents: CFL and Tgrow lights. Fluorescent grow lights are inexpensive, provide a good light spectrum, fit well into small spaces and can be used in a standard lighting socket, give-off a pleasant color for indoor environments, don’t use a lot of electricity. and work well for small and well-trained plants (like herbs, clones, and seedlings). The downside is they have a smaller yield per watt vs. HID and LED so they need to be positioned very close to the plant. As such, they are not recommended for taller plants like tomatoes or cannabis. Fluorescents also contain a small amount of mercury, which may turn off some to this type of lighting choice. CFL lights are usually twisted in their shape, while Tgrow lights are long and narrow.

LED Grow Lights

Small LED grow lights can simply be hung over your plants and plugged directly into the wall without any other major adjustments. Most LED lighting can produce the particular spectrum a plant need for its various stages of growth. Another advantage is their longevity. LED bulbs do not need to replaced nearly as often as HID or fluorescents. Because of their numerous benefits, we recommend LED grow lights to hydroponics beginners and experts alike.

Figure out the light cycles

A specificity of indoor plant growing with grow lights is that you need to figure out what the light cycle for the plants will be, as there won’t be sun that dictates when plants get the light. Light cycles are used to simulate the conditions of day and night for indoor gardens and you need to know your light cycles to grow your succulents faster. A general rule of thumb for growing any plants under lights is that the more light you give them, the faster they will grow and the same can be attributed to succulents. If you are overwintering the plants, then I would put the succulents at first on 20/light cycle meaning that I would leave the lights on for 20 hours a day and then turn them off for hours and slowly increase the darkness period so the light cycle is 16/(light/dark). Succulents need to know when it is winter, so they can start their dormant process. If you use grow lights all year around for your succulents, during the summer you can have them on 24/0 or 20/light cycle for them to grow quickly and thrive.

Know how often to water your succulents

Tomato grow lights (or plant grow lights) allow you to start seedlings and grow tomatoes indoors, even during the off season or when temperatures are cold outside. helps make sure lights switch on and off each day so that seedlings and plants are in the dark each day.

Here’s the dirt on how tomato grow lights work and what options you can choose from.

It’s not.

Many systems for the home gardener provide the ballast, lamp, and reflector together as a package. (You can also purchase replacement lamps). You simply need to make a couple of decisions: what type of lamp will best meet your needs and what kind of stand (structure) works for you.

Understand “color temperature”

Different grow lamp types emit light in different ways.

Grow lights with higher color temperatures (5000-6500K) provide the full light spectrum and promote all stages of vegetative growth. They emit light with a bluish tinge. Grow lights with lower color temperatures (2500-3000K) are known to encourage flowering and are often used when the plant develops fruit. They put off a reddish or even yellow glow.

The best artificial light source for tomatoes imitates the light in their natural environment. Natural daylight has a high color temperature (about 6000 K). Select your grow lights accordingly.

Incandescent plant grow lights

Though not technically a grow light, incandescents are often labeled and used as one. They convert much of their electricity into heat rather than light, making them fairly inefficient as grow lights, particularly for indoor vegetable crops like tomatoes.

Fluorescent plant grow lights

Fluorescent plant grow lights are one of the most popular options for the home gardener or hobbyist. They’re available in at least options: Standard T1fluorescents, High Output (HO) Tfluorescents, and compact fluorescents (CFL).

LED plant grow lights

The newest lamps among plant grow light technology, LEDs are developing a reputation for economy and efficiency. They consume less power and produce less heat than other lamp types.

Grow Lights

For indoor gardening, lighting is paramount. Without adequate light, plants become leggy (i.e., tall, thin and weak)—if they grow at all. I’ve found that even when grown next to a sunny south-facing window, most plants tend to struggle. For best results, you should supplement natural light with grow lights. If you don’t, you’re probably going to be disappointed.

There are several types of grow lights to choose from, ranging in both cost and effectiveness. As you read about the pros and cons of each below, keep in mind that there is more to a grow light than just the bulb. Unless you purchase a complete kit, you’ll need to also find compatible reflectors, cords, ballasts and other parts.

A quick note about light color: The whiteness of a light’s output is measured in Kelvin units (K). The higher the degree of Kelvin, the “cooler” (bluer) it appears, and the lower, the “warmer” (redder) it appears. Blue light encourages compact, bushy vegetative growth. Red light initiates the flowering stage. Lights between 4,000 and 6,000K are known as “full-spectrum” lights because they produce both cool and warm light colors, much like natural sunlight.


Not much about the incandescent light bulb has changed since Thomas Edison invented it in 187While inexpensive and readily available, incandescent lights are the least efficient option for indoor gardening. They’ll increase your utility bill, produce more heat than light, and burn out more quickly than other options. I wouldn’t recommend using these to grow plants.


A common—and perhaps the most popular—choice for home gardeners, fluorescent lights use ¼ the energy, last about 10x longer, and produce more light compared to incandescent lights (energy.gov). They’re great for starting seeds and growing greens, herbs and other plants with low to medium light requirements.

The primary drawback with fluorescent lights is they don’t produce enough light to effectively grow fruit-bearing plants, such as squash and tomatoes.


It’s important to facilitate air circulation around your plants, and running a small fan is an easy way to do this. Keeping the air moving will help prevent problems, such as leaf fungi and garden pests.

Rubber-backed Rug

Credit goes to Tower Gardener Nancy Kroupa for suggesting this one on the Tower Garden Facebook page. Place your indoor Tower Garden on a rubber-backed rug or mat to protect your floor from any accidental spills that may occur when refilling the water reservoir or performing other maintenance tasks. Like the timer, this is not necessarily required, but useful.

Pump Timer Setting

When growing outside, you should set your pump timer to 1minutes on and 1minutes off. But in a cooler, climate-controlled environment, plant roots don’t dry out as quickly as they do outside. Changing your timer to 1minutes on and 4minutes off when growing indoors is a way of both saving a little energy and preventing over-watering.

Now Get Growing.

Congratulations—with this knowledge, you’re ready to grow your own food indoors all year long! Season, light and space hindrances are a thing of the past.





How to save up to 86%? Here is little trick.

You must visit the page of sales. Here is the link. If you don’t care about which brand is better, then you can choose the t5 grow light by the price and buy from the one who will offer the greatest discount.



Final Word

First of all thanks for reading my article to the end! I hope you find my reviews listed here useful and that it allows you to make a proper comparison of what is best to fit your needs and budget. Don’t be afraid to try more than one product if your first pick doesn’t do the trick.

Most important, have fun and choose your t5 grow light wisely! Good luck!

So, TOP3 of t5 grow light



Questions? Leave a comment below!

Chatting about t5 grow light is my passion! Leave me a question in the comments, I answer each and every one and would love to get to know you better!

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