are thease high output?

Yes. 4' High output t5 bulbs are the 54w bulbs. Very high output (VHO) are the 95w versions while the standard is 28w for 4' bulbs.

I see a lot of complaints here about only receiving 1 bulb when the ad clearly states 4 bulbs. Has this problem been resolved?

I got screwed and was only sent one bulb after paying for four, but that was back in June of 2014. It should never have been a problem in the first place if they knew what they were doing.

I bought these to replace a bulb in a fixture made by another company. These bulbs have a definite green cast to them. Why is that?

Green cast? They shouldn't, as they are 6400K color temperature. You might want to discuss the possibility of replacing them with our Returns department. They can be reached at (800) 634-9990 ext 110.

Do these bulbs fit the Hydrofarm JSV4 4-FOOT Jump Start T5 Grow Light System sold on Amazon?

It sure looks like it does....it is 4' long...T5 for sure...and others who bought it bought 4' bulbs. You are a go!

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Hydrofarm Replacement Lamps

Product ID: 255071254

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⏳10,000 Hours Life

🌈6400K Spectrum

💡24W Power

Description

💡 Light Up Your Life with Hydrofarm!

SMART DESIGN - Standard 22” size fits most T5 fixtures effortlessly.
DAYLIGHT DELIGHT - Full daylight 6400K spectrum for optimal growth.
PERFECTLY PACKAGED - Available in convenient 4 packs for your needs.
ILLUMINATE YOUR SPACE - Experience HO light output at an unbeatable price!
LONG LASTING BRILLIANCE - Enjoy 10,000 hours of vibrant lighting.

Hydrofarm Replacement Lamps are high-output T5 tubes designed to deliver exceptional brightness with a 24W power rating, producing 2000 initial lumens. With a full daylight 6400K spectrum and a lifespan of 10,000 hours, these lamps are perfect for both professional and home use. Available in packs of four, they fit standard 2’ T5 fixtures, ensuring a seamless upgrade to your lighting setup.

Reviews

J**T

Perfect

Great bulbs. Perfect replacement

26.04.2017

C**E

Reviens cher!

Aurait aimé les acheter à l'unité

8.08.2022

E**E

Five Stars

Came in very handy as 1 of the bulbs just burnt out. Pleased

4.03.2018

M**I

Good product

It was the exact bulb I was looking for

5.08.2020

S**T

seem perfect!

Very secure packaging, seem perfect !

24.04.2018

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