lm301h

Hello everyone! I am considering buying QB-like boards from AliExpress. And I really need advice from experienced growers. My task is to make additional artificial lighting in the spring-autumn period (temperate continental climate) in a greenhouse near my mother-in-law's country house...

Hello you all! best forum I have every been registered to. I have made a nice setup with 3 quantum board lights of 240W (lm301h) - 1 for the Veg+clone tent, and 2 for the flowering. the results are amazing and I am enjoying working with those lamps, getting some nice results SCROGing the life...

Hi everyone, VIVOSUN Giving is coming.:weed::weed::weed: Prize: VS2000 LED Grow Light *1:leaf: Check it: https://www.amazon.com/VIVOSUN-Samsung-Dimmable-Sunlike-Spectrum/dp/B08GNZ7M74?ref_=ast_sto_dp&th=1&psc=1 Valid Period: Aug.23-Aug.31:leaf: Rules: 1. Follow @VIVOSUN Official on...

What would be better for my 2.3’x2.3’ tent? Single 100W CXB3590 3500K chip with lens or LM301H 3500K QB? Thanks for all advices. Edit: I own the single chip CXB3590 light, and it works really well, just want to know if it’s worth to replace it with QB.

Hello guys I need help from you. I've read tons of stuff about led lights, cobs and qb's. And I want to start growing on my own. I have unused cabinet 50x50x100 (or 120) which I want to use as grow box. Planning on growing 1 (max 2 plants if I get wider box). Question is what light would be...

Hi all and welcome to my diary! Feel free to chime in and give tips as you see fit. I can take a bashing don't be afraid to speak up. I'm pretty clueless though I have tried reading up on things before I started. As title says its my first grow, and this is most definite going to be a nerve...

The Brief: They state: 3.03μmol/J This calculates to: 80% efficiency The datasheet calculates: 67.35% efficiency What's the skinny: the difference is from the losses on the phosphor The Claim: LM301H 6500K flux data: LM301H 6500K testing parameters: Digitized LM301H 6500K SPD...