Model # VT54B

Internet #203124383

ViaVolt 4 ft. T5 865 High Output (6500K) Fluorescent Grow Light Replacement Bulb
0091037049858

ViaVolt

4 ft. T5 865 High Output (6500K) Fluorescent Grow Light Replacement Bulb

  • Perfect for indoor gardening applications
  • Bulbs can be color adjusted to match plant growth phase
  • Bulbs can be mixed and matched
$1097 /each
(limit 35 per order)
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Frequently Bought Together

Product Overview

These high quality 4 ft. T5 HO lamps are excellent for all indoor gardening applications and plant propagation. Use the color/spectrum of your choice for the growth phase of your plants. Mix and match bulb types for full spectrum effect.

Info & Guides

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Specifications

Dimensions

Approximate Lightbulb Length
48
Bulb Diameter (In.)
0.625

Details

Average Life (hours)
20000
Bulb Shape
Tube
Bulb Type
Specialty
Commercial / Residential
Commercial / Residential
Indoor/Outdoor
Indoor
Light Bulb Base Code
Bi-Pin
Light Bulb Base Type
Bi-Pin
Light Bulb Features
No additional features
Light Bulb Shape Code
T5
Light Color
Cool White
Light Output (lumens)
4000
Lighting Technology
Fluorescent
Number in Package
1
Returnable
90-Day
Specialty Bulb Type
Plant Growing Light
Watt Equivalence
200
Wattage (watts)
54

Warranty / Certifications

Manufacturer Warranty
1 year

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Customer Questions & Answers

will these bulbs work in standard fixture

standard 2 bulb Fluorescent fixture
Asked by: jesse
They are thinner than an ordinary household fixture and will not fit in that kind of fixture. They are designed to fit into a specific grow- light fixture. You can research online and find what color bulb for a standard fixture will work for growing plants. We used to do that when we lived where we could supplement with sunlight.
Answered by: Trisha
Date published: 2017-02-24

whats the spectrum ranges on these bulbs?

whats the spectrum ranges on these bulbs?
Asked by: Andy
This product operates on the cool blue spectrum.
Answered by: CommunityAnswer
Date published: 2017-05-14

Will this bulb work as a replacement in the T5 Jump Start system

Will this bulb work as a replacement in the T5 Jump Start system
Asked by: barbdiy
This replacement bulb works with a T5 high output fixture.
Answered by: CommunityAnswer
Date published: 2017-03-13

Will this bulb fit the Jump Start 4 ft grow system?

Will this bulb fit the Jump Start 4 ft grow system?
Asked by: barbdiy
This fits 4 ft fixtures that use a T5 bulb.
Answered by: CommunityAnswer
Date published: 2017-03-13
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Customer Reviews

4 ft. T5 865 High Output (6500K) Fluorescent Grow Light Replacement Bulb is rated 4.3 out of 5 by 23.
Rated 1 out of 5 by from I installed this light as a replacement in my Tower Garden light cage for a bulb that lasted 3 ye... I installed this light as a replacement in my Tower Garden light cage for a bulb that lasted 3 years. It was working fine for 2 weeks when I bumped the outer frame for the light slightly and the bulb blew. I am very disappointed in how easily and quickly the bulb ceased to work. I have not had this problem with the original bulbs.
Date published: 2017-04-12
Rated 5 out of 5 by from Yesterday I transferred the plants into my garden that I started under this light bulb, and my wa... Yesterday I transferred the plants into my garden that I started under this light bulb, and my warm weather crops are growing under it now. The bulb came safely packed.
Date published: 2017-02-14
Rated 5 out of 5 by from 5 Star Review Rating provided by a verified purchaser
Date published: 2017-07-13
Rated 5 out of 5 by from keeps my plants well lit and thriving... keeps my plants well lit and thriving
Date published: 2017-04-23
Rated 5 out of 5 by from Very good work,Thank you:)... Very good work,Thank you:)
Date published: 2017-04-22
Rated 4 out of 5 by from These are good T5 HO replacement tubes T5 HO tubes at 6500 Kelvin burn at the blue (bright daylight) end of the spectrum. Great for initial growth and getting started. They put out a lot of light (up to 5,000 lumens) for the electricity used (it is lumens, not watts that the plants respond to). Yes, they are smaller than reg fluorescent tubes and require their own fixture. DUH! They give off very little heat and can be placed within an inch or so of the canopy without heat burn. 3000 Kelvin tubes are at the warm end of the spectrum and are better for wrapping up/blooming stage. A mix of both works well once the plant has established a good root system, sturdy stalks/stems, and are ready to flower. Begin with 6500K, then switch to a mix of 3 & 6.5 Kelvins, then when the plant is winding down, switch to all 3000 Kelvins. That mimics the beginning of summer, middle of summer, and the approach of fall (to the plant). These bulbs are average grade and good enough. There is a lumen drop over time but at this price you can exchange them twice as often, keeping your plants receiving closer to the 5K lumens per tube they start out at. Pretty darn good. The other reviewer's issue was not with the tube, it was with the FO (faulty operator). I grow very rare orchids in a lab and have learned over time T5 HO is more than sufficient to get a great job done. These tubes are cost effective (IMHO) and do the job.
Date published: 2012-05-23
Rated 5 out of 5 by from Great shop light Makes my shop bright as day time. There are no shadows and my eyes do not get as tired.
Date published: 2013-01-08
Rated 5 out of 5 by from Very Satisfied Used in twin light fixture for plant seedlings. It has produced heavy stems when kept within 2-3 inchs of plants.
Date published: 2015-04-14
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