It's much cheaper and more efficient in most cases to use white light to manipulate spectrum. There is truth in using different colors to increase yields. For normal blue spectrum it's easy to use white LEDs as white LEDs are blue leds that are phosphor coated. White leds usually use 450nm as the p...

unkle_psycho wrote: ↑

Thu Sep 19, 2019 8:39 am

I think the node spacing looks great, not too wide at all. Thanks for making us a grow log! your baby is looking happy and healthy!

Thank you, unkle, so kind of you, your words, it mean too much for me

I'd like to recommend the mars hydro sp250 ,it's Meanwell driver, white color full-spectrum, better growing. but I'm afraid taht it will be a little powerful for your plants, the draw driver is 250w get your mars hydro shilling ass out of here. Mar's makes shit lights. bully shit, once again, I jus...

If you have the prejudice to someone at the first, no matter what he says, it will be incorrect, shit, once again, I just use their light, I also want to give the great advice, ok!!!

TEKNIK wrote: ↑

Sat Sep 21, 2019 3:55 am

You can buy COBs for $10 each that will be higher efficacy than what they are doing to that COB. Read through this section properly

Thank you, TEKNIK, a great help to me. Love peace and hemb

Mars does not have good enough technology, stick to the major brands for COBs, don't risk a fire hazard Have you used it before? So their technology is not mature now? They have the buy one and send one free light, only 240usd,it attracts me so much, I want to build a new room, use the COB, hesitat...

I catched a news that Mars Hydro COB, now buy one cob, they will send a free cob, so the one price get two light, so crazy? Anyone used it? I wan to buy some light to build our new room, the COB

TEKNIK wrote: ↑

Sat Sep 14, 2019 6:46 pm

I would be adding blues from 400nm to 440nm before anything else. 480nm would be another I would suggest.

Any study? Why not 460nm I see many commercial led companies marketing their blue 460nm

I'd like to recommend the mars hydro sp250,it's Meanwell driver, white color full-spectrum, better growing. but I'm afraid taht it will be a little powerful for your plants, the draw driver is 250w

Except for the DIY, you can order the suitable led light on the market directly, I love simple I use the mars hydro sp250,2pcs for my 4*4tent, they work so well, trust me, own one for your area, you won't regret it. Somebody says I'm a faker, but no, I love sp250, my first led, and it's the best lig...