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Hydrofarm Agrobrite FLT24 T5 Fluorescent, 2 Foot, 4 Tube Grow Light System, 2-Feet, White
Brand | Hydrofarm |
Color | White |
Material | German specular aluminum |
Style | 2-Feet |
Product Dimensions | 23"L x 13.5"W x 3"H |
About this item
- 3"H x 13.5"W x 23"L
- Includes 8' grounded power cord
- Includes 4 6400K T5 Tubes
- Up to 8,000 Lumens
- Powder coated, steel housing
- High performance faceted specular aluminum for better light distribution
- Hangs 3 ways—overhead, vertical or horizontal
Customer ratings by feature
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This Item Hydrofarm Agrobrite FLT24 T5 Fluorescent, 2 Foot, 4 Tube Grow Light System, 2-Feet, White | Recommendations | dummy | dummy | dummy | dummy | |
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Price | Currently unavailable. | $95.99$95.99 | $105.99$105.99 | $99.99$99.99 | $38.99$38.99 | $45.02$45.02 |
Delivery | — | Get it as soon as Tuesday, Mar 26 | Get it as soon as Tuesday, Mar 26 | Get it as soon as Tuesday, Mar 26 | Get it as soon as Tuesday, Mar 26 | Get it as soon as Tuesday, Mar 26 |
Customer Ratings | ||||||
Easy to assemble | 4.6 | 4.6 | 4.6 | 4.6 | 4.5 | 4.0 |
Brightness | 4.4 | 4.8 | 4.6 | 4.6 | 4.5 | 3.3 |
Value for money | — | 4.8 | 4.5 | 4.4 | 4.2 | 3.9 |
Energy efficiency | — | 4.6 | 4.5 | 4.6 | — | — |
Sold By | — | INW LIGHTING | INW LIGHTING | INW LIGHTING | Monios L | Amazon.com |
material | German specular aluminum | Aluminum, Polycarbonate | Aluminum | Aluminum, Polycarbonate | Aluminum | Aluminum |
light source type | Fluorescent | LED | LED | HPS | LED | — |
light sources | 24 | 6 | 6 | 6 | 1 | 1 |
power source | Corded Electric | AC | AC | AC | AC | Corded Electric |
shade material | Aluminum, Alloy Steel | Aluminum | Aluminum, Shell | Aluminum, Shell | Aluminum | — |
style | 2-Feet | Modern | Modern | — | Garden | — |
finish type | Powder Coated | Aluminum | Aluminum | — | — | Silver |
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From the manufacturer
Hydrofarm - Tools for growing
Hydrofarm is the nation’s oldest wholesaler and leading manufacturer of hydroponics equipment and high-intensity grow lights.
Our products incorporate only premium quality components, and our professional-grade hydroponics and UL-listed lighting fixtures give you years of dependable service.
Agrobrite T5 Fixture with Lamps
Hydrofarm’s newest T5 system delivers performance, flexibility, and high lumen output in any growing environment. These systems allow you to choose multiple hanging configurations to meet your garden’s design. They combine premium grade specular aluminum with energy-efficient/high-output T5 tubes and put out double the light energy of normal fluorescent systems.
- Seven sizes available, from 2–12 tubes
- Daisy chainable—run multiple fixtures from a single outlet
- Rated up to 18,800 lumens
- Low profile, powder coated steel housing
- Hangs 3 ways—overhead, vertical, or horizontal
- Includes 10' grounded power cord and 6400K fluorescent tubes
Performance, flexibility, and high lumen output ... in any growing environment
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High output light—great priceAgrobrite T5 replacement tubes offer HO light at a great price. Full daylight 6400K spectrum, rated for 20,000 hours of life, and compatible with all Hydrofarm T5 fixtures. Available in volume 20-packs, too. |
Super versatile installation optionsAgrobrite T5 fixture can be installed three ways—vertical, horizontal, or overhead—so you get the maximum lumens reaching your plants at all times. |
What’s in the box? Everything.Hydrofarm’s Agrobrite T5 Fixture comes with everything you need, all packaged securely in a cardboard box with protective foam insulation. |
Videos
Videos for this product
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Agrobrite T5 Tube Fixture
Hydrofarm, Inc.
Videos for this product
1:14
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Agrobrite T5 Fixtures
Hydrofarm, Inc.
Product information
Brand | Hydrofarm |
---|---|
Color | White |
Material | German specular aluminum |
Style | 2-Feet |
Product Dimensions | 23"L x 13.5"W x 3"H |
Specific Uses For Product | Plant Growing |
Indoor/Outdoor Usage | Indoor |
Power Source | Corded Electric |
Special Feature | Energy Efficient |
Light Source Type | Fluorescent |
Finish Type | Powder Coated |
Shade Material | Aluminum, Alloy Steel |
Number of Light Sources | 24 |
Voltage | 120 Volts |
Light Color | White |
Shape | Tubular |
Number of Items | 1 |
Wattage | 96 watts |
Controller Type | Push Button |
Unit Count | 1.0 Count |
Brightness | 8000 Lumen |
Mounting Type | Hanging |
Shade Color | White |
Model Name | Agrobrite FLT24 T5 Fluorescent Grow Light System, 2 Foot, 4 Tube |
Item Weight | 11.17 pounds |
Manufacturer | EnviroGro |
ASIN | B002JQBQZQ |
Item model number | FLT24 |
Customer Reviews |
4.4 out of 5 stars |
Best Sellers Rank | #202,158 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #157 in Plant Growing Light Fixtures |
Is Discontinued By Manufacturer | No |
Warranty & Support
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Product guides and documents
Product Description
Hydrofarm’s newest T5 system delivers performance, flexibility, and high lumen output in any growing environment. These systems allow you to choose multiple hanging configurations to meet your garden’s design. They combine premium grade specular aluminum with energy-efficient/high-output T5 bulbs and put out double the light energy of normal fluorescent systems.
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the growth, heat, and ease of installation of the light fixture. For example, they mention it makes plants grow well, keeps them warm, and that the setup was a breeze. They're also satisfied with performance, size, and quality. That said, some complain about the bulbs breaking. Opinions are mixed on weight.
AI-generated from the text of customer reviews
Customers like the quality of the light fixture. For example, they say it's solid, well constructed, and provides 100% light coverage. Some mention that the quality is okay. That said, most are happy with their purchase and recommend it to others.
"...Agrobrite FLT22 offers tremendous value, is still economical and robust enough to allow for further expansions...." Read more
"...The light is almost the same size as the Double Bio-Dome and provides 100% light coverage necessary for young plants to thrive...." Read more
"...It is the product they advertise, and it IS a good light, so if you need a 2 foot fluorescent, this would do you nicely.updated..." Read more
"This light is brighter than the sun. Is that even possible? I don't know- but I can't look directly at either one of them...." Read more
Customers like the performance of the light fixture. For example, they say it's a good functional product, the included bulbs work great, and it works perfectly right out of the box. Some say it works well in keeping plants at just the right temperature. Overall, most are satisfied with the performance and recommend it to others.
"...could be that for the price point, the Agrobrite FLT22 offers tremendous value, is still economical and robust enough to allow for further..." Read more
"...Fantastic results!..." Read more
"...In summary great light, great price, and will keep using this product for time to come." Read more
"...light to start plants that will be move outdoors, the price factor on this light is attractive and it works as well as the more expensive..." Read more
Customers are satisfied with the growth of their plants under the light. They mention that it makes their plants grow well, lush, and thrive all winter. Some say that the lights are great for germinating and growing crops from seed. Overall, customers are happy with the product and recommend it to others.
"...Bio Dome is an extraordinary seed-starting system that allows your plants to grow quite large without root binding problems found in other tray-type..." Read more
"...Fantastic results!It works and has the power to give seedlings a good start without stretching, when used a half dozen inches away from new..." Read more
"Plug and grow. Good for seedlings and cuttings. Enables you to get good head start on spring garden." Read more
"...I found that this thing makes plants grow so well that the quickly over grow the effective lighting zone of this 2' lamp...." Read more
Customers like the heat produced by the light fixture. They mention that the lights are bright and put off some heat, but not enough to burn anyone. The LED tubes produce less heat and will not burn plants that touch them. On the flip side, the cooling is simpler, plants can be located closer, and they have not seen any signs of heat stress as of yet.
"...be no match for a Metal Halide system, but on the flip side, the cooling is simpler, plants can be located closer to the source, energy usage issues..." Read more
"...The LED tubes produce less heat and will not burn plants that touch them...." Read more
"...1-2 ft. is fine and my plants are not spindly at all. It does emit heat even for a fluorescent, so the distance and fan compensate most of your heat..." Read more
"...Overall, the quality is okay and the lights are bright and put off some heat but not enough to burn anyone...." Read more
Customers find the installation of the light fixture to be easy. They mention that the bulbs were easily installed and everything worked the first time that they threw it. They say the light itself comes fully assembled, except for the tubes, which are carefully placed.
"...It's held up wonderfully and installed nicely. The light is extremely bright- which works good for it's intended purpose...." Read more
"...I have racheted it up just a little bit one time so far. Just so easy to do...." Read more
"...The frame and reflectors are fitted well. Lamps were a breeze to install. I took it all apart to see what ballasts are in there...." Read more
"...It was an easy process to hang the lights from the ceiling and adjust the height...." Read more
Customers like the size of the light fixture. For example, they say it's lightweight, fits perfectly in their grow tent, and is easy to store in a shelf arrangement. Customers also mention that the light provides for short compact internodal spacing, making it ideal for small enclosed areas.
"...The coverage is small, but effective...." Read more
"I'm really pleased with this light unit. It's compact, just big enough for a tray of seeds...." Read more
"...-Reflector is one piece and tucks into the frame - helps prevent cuts from the thin metal like other lights have that are multiple pieces that don’t..." Read more
"This unit is solid. The frame and reflectors are fitted well. Lamps were a breeze to install...." Read more
Customers are mixed about the weight of the light fixture. Some mention that it's relatively lightweight for its size, while others say that it is slightly heavy.
"...That works well for us. Once again it also makes it easy to move around.Overall this light has worked great so far...." Read more
"...The unit is solid so that it doesn't feel fragile but it's not to heavy to pick up and move around...." Read more
"...Sturdy light, solidly made. Slightly heavy, but i judge that to be a measure of it's quality...." Read more
"...Not only is the system lightweight, perfect size, with awesome reflectors, but Hydrofarm customer service is top notch, a rare and wonderful..." Read more
Customers are dissatisfied with the bulbs included in the light fixture. They mention that they arrived damaged, with two bulbs broken and two reflectors bent. Some say that the bulbs have not last as long and have suffered a failure on two bulbs. They also mention that the included bulbs are cheap.
"...One has burned out entirely (very low level of light coming out) and one is significantly brighter than the rest--meaning the others have lost a lot..." Read more
"...routed by UPS and when it was delivered on Wednesday it had one broken bulb and the reflector was slightly bent...." Read more
"...Second, the unit will turn off 3 bulbs when the fixture gets too hot...." Read more
"...Packaging could be much better because I received a broken light bulb in the package...." Read more
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So what I did was to gather the information provided by Hydrofarm and contrast it with some calculations based on my own testing. I downloaded a light meter application to my iPhone, just the kind that yields reading in footcandles and lux. I took some measurements in footcandles (fc) and converted them to lux (CAVEAT: take this measurements with a grain of salt, it is expected that the sensor in the iPhone camera is not as accurate and precise as even the least decent of spectrometers---nevertheless, I used them to guide my analysis). Then using published tables (easily found on the web) I converted lux (which is a photometric unit) to a radiometric unit and then into PAR (Photosynthetically Available Radiation---which as everybody knows, is the part of the spectrum from 400 to 700 nanometers that plant use during what is called vegetative growth).
The Agrobrite FLT22 [ASIN:B0031CA3OM Agrobrite T5, FLT22, 2 Foot, 2-Tube Fixture with Included Fluorescent Grow Lights] (which I assume is named after its ballast model and size) portrays two T5 HO bulbs at 6400K, 24 watts each, for a total of 48 watts, both bulbs yielding “up to 4000 lumens” each, I interpret. [the wattage can be found multiplying 120 volts by 0.4 amps, as specified on the box]. Based on this, the pair of T5s in the Agrobrite should be capable of producing up 10800 lm (just using the upper-bound in the range of luminous efficacy for a LED lamp). Hydrofarm, perhaps wisely, put a statement of “up to 4000 lumens”, meaning that for the pair, it should output 8000 lumens. The discrepancy puts their own claim at 74% efficiency [the lower limit of luminous efficacy should be explored too to try to fit their rating].
I obtained measurements of 1500 footcandles per tube for a total of 3000 footcandles for both. Using the surface area of my setup: 1.63 square foot, I arrived to a figure around 9700 lm, a slight 22% above Hydrofarm's upper value. Of course, the result is easily attributable to the amount of error introduced by reading irradiance with an iPhone and a cheap application as processing software of choice. I suspect that a combination of sensor error, reflective set-up and liberal use of assumptions put the readings so high, but at the same time my gut tells me that they might not be so far below either.
Using these values, I computed 33 PAR watts, shy of 200 mu_mol/m^2.s and a range for PPFD: 869<PPFD<1868. (Again, take into account that this is for the small surface area of 1.63square ft). As reference, a 1000 watt UltraSun Metal Halide lamp, situated 24 in. above plants, claims measured values with a PAR meter of 569-574 mu_mol/m^2.s, peaking at 600 mu_mol/m^2.s. The limit of PAR that plants can handle is around 1500 mu_mol/m^2.s. A good value to achieve could be 500 mu_mol/m^2.s. Obviously, 2 fluorescent tubes seem to be no match for a Metal Halide system, but on the flip side, the cooling is simpler, plants can be located closer to the source, energy usage issues are points to be considered.
One cautiously optimistic conclusion could be that for the price point, the Agrobrite FLT22 offers tremendous value, is still economical and robust enough to allow for further expansions.
I have under the lights for 13 hrs daily, some sprouts of Hollihock, Salvia, Anisse Hyssop and Ratibida that I was hardening outside in early Fall. Very soon I will be able to tell whether the set up is doing its job.
I will post new updates as they occur.
Reviewed in the United States on November 5, 2016
So what I did was to gather the information provided by Hydrofarm and contrast it with some calculations based on my own testing. I downloaded a light meter application to my iPhone, just the kind that yields reading in footcandles and lux. I took some measurements in footcandles (fc) and converted them to lux (CAVEAT: take this measurements with a grain of salt, it is expected that the sensor in the iPhone camera is not as accurate and precise as even the least decent of spectrometers---nevertheless, I used them to guide my analysis). Then using published tables (easily found on the web) I converted lux (which is a photometric unit) to a radiometric unit and then into PAR (Photosynthetically Available Radiation---which as everybody knows, is the part of the spectrum from 400 to 700 nanometers that plant use during what is called vegetative growth).
The Agrobrite FLT22 [ASIN:B0031CA3OM Agrobrite T5, FLT22, 2 Foot, 2-Tube Fixture with Included Fluorescent Grow Lights] (which I assume is named after its ballast model and size) portrays two T5 HO bulbs at 6400K, 24 watts each, for a total of 48 watts, both bulbs yielding “up to 4000 lumens” each, I interpret. [the wattage can be found multiplying 120 volts by 0.4 amps, as specified on the box]. Based on this, the pair of T5s in the Agrobrite should be capable of producing up 10800 lm (just using the upper-bound in the range of luminous efficacy for a LED lamp). Hydrofarm, perhaps wisely, put a statement of “up to 4000 lumens”, meaning that for the pair, it should output 8000 lumens. The discrepancy puts their own claim at 74% efficiency [the lower limit of luminous efficacy should be explored too to try to fit their rating].
I obtained measurements of 1500 footcandles per tube for a total of 3000 footcandles for both. Using the surface area of my setup: 1.63 square foot, I arrived to a figure around 9700 lm, a slight 22% above Hydrofarm's upper value. Of course, the result is easily attributable to the amount of error introduced by reading irradiance with an iPhone and a cheap application as processing software of choice. I suspect that a combination of sensor error, reflective set-up and liberal use of assumptions put the readings so high, but at the same time my gut tells me that they might not be so far below either.
Using these values, I computed 33 PAR watts, shy of 200 mu_mol/m^2.s and a range for PPFD: 869<PPFD<1868. (Again, take into account that this is for the small surface area of 1.63square ft). As reference, a 1000 watt UltraSun Metal Halide lamp, situated 24 in. above plants, claims measured values with a PAR meter of 569-574 mu_mol/m^2.s, peaking at 600 mu_mol/m^2.s. The limit of PAR that plants can handle is around 1500 mu_mol/m^2.s. A good value to achieve could be 500 mu_mol/m^2.s. Obviously, 2 fluorescent tubes seem to be no match for a Metal Halide system, but on the flip side, the cooling is simpler, plants can be located closer to the source, energy usage issues are points to be considered.
One cautiously optimistic conclusion could be that for the price point, the Agrobrite FLT22 offers tremendous value, is still economical and robust enough to allow for further expansions.
I have under the lights for 13 hrs daily, some sprouts of Hollihock, Salvia, Anisse Hyssop and Ratibida that I was hardening outside in early Fall. Very soon I will be able to tell whether the set up is doing its job.
I will post new updates as they occur.
This particular light is well-made and has four replaceable bulbs. The packaging is outstanding and all arrived well, intact, and undamaged when received. I did break one of the bulbs when taking my setup down after springtime planting and I haven't had much success finding "grow light" replacement bulbs at my local hardware store, but finding a 24" T5 that will fit in a pinch shouldn't be too hard. Speciality garden shops may have the 6500K bulbs, or you can pick these up non-Prime on Amazon from several sellers.
Heat mats and proper lighting are the key to consistent and prolific germination of seeds started in late winter to be ready for springtime planting.
Here's the setup I've used for the past few years:
-Park Seed Park's Double Bio Dome with 80 Jumbo Cells. I actually use 2-18 Jumbo Cell for a total of 36 plants. There are several sizes of the Bio-Dome system. I have the DOUBLE Bio-Dome which allows for two seed starting cells (Purchased from Park Seed)
-Hydrofarm MT10008 20-by-20-Inch Seedling Heat Mat (Purchased from Amazon)
-Hydrofarm FLT24 2-ft/ 4-Tube T5 Commercial System with Bulbs (Purchased from Amazon)
-Hydrofarm MTPRTC Digital Thermostat For Heat Mats (Purchased from Amazon)
-Style Selections 36-in H x 24-in W x 18-in D 3-Tier Steel Freestanding Shelving Unit (Purchased from Lowe's)
The modular, adjustable wire shelving unit gives me the foundation for my indoor winter seed-starting setup. The shelves are adjustable so that I can hang the grow light on the underside of the top shelf, then adjust the middle shelf so that the top of the Bio Dome is about 6-8 inches from the light. This allows for enough room to remove the top of the Bio Dome in the event I need to access the plants for watering, fertilizing, etc. The bottom shelf is great for storing my remaining planting supplies.
The light is almost the same size as the Double Bio-Dome and provides 100% light coverage necessary for young plants to thrive. A few years back, I tried to use a light that was only 2 bulbs and half the size of the one I currently use. You could tell that the young plants would angle toward the light hanging in the middle, and those on the outer edges didn't grow as quickly and tall as those in the middle. Take it from someone who spent $25 - $50 each year over the course of several years trying to find a light that would work well with my seed starting system. I knew about the Hydrofarm light early on, but wasn't too eager to purchase it due to it's higher cost. I wish I would have gotten it first because I would have saved money in the long run considering the poor-performing lights I purchased in years prior to getting the one listed above.
The Park Seed Bio Dome is an extraordinary seed-starting system that allows your plants to grow quite large without root binding problems found in other tray-type seed starting setups. Park uses the styrofoam cell matrix with replaceable organic bio-sponges in which the seeds are planted.
I regulate the temperature of the seed heat mat with the Hydrofarm MTPRTC Digital Thermostat set at between 85-90 degrees. This thermostat has a temperature probe you can insert into one of the organic bio-sponges to obtain a direct soil reading. I route the probe through one of the vent holes in the lid of the Bio-Dome.
In order to capture the most heat from the heat mat, while allowing the thermostat to regulate the temperature of the mat, I first take a folded beach towel and place it on the middle shelving rack. I then set the heat mat on top of the towel, then place the Bio-Dome on top of the heat mat. This allows me to recover most of the heat that would otherwise radiate from the exposed, bottom side of the heat mat.
Watering with the Bio-Dome setup is easy and, depending on how you have the vents adjusted in the lid, performed infrequently at best due to the efficiency of water vapor recovery of the Bio-Dome system.
I typically start tomato and pepper plants in mid-February so that they are ready for planting by the first week of May. You may want to check online for your indoor planting and outdoor transplanting dates depending on your region and climate.
I hope my sharing with you what has worked quite well for me will help you in your seed-starting endeavors!