lm301b

Hello guys, I would like to get your opinion regarding this led light. I'm currently using a 400w HPS bulb in a 4x4 room growing 4 auto's which cover the whole area.Ive been thinking of changing the HPS for a LED. My main concern is that I want to benefit from the electricity cost reduction...

Hello folks! New setup here. Thanks for stopping by!! :blsmoke: Flood and drain buckets used as Coco DTW. 400 gph pump in res, top drip with open ends. Runoff goes to bilge pump box>> 5gal>> waste. 5×5 tent, 6" inline fan and passive intake, exhausts outside. (4) 240w LED boards, Lm301b 3000k w...

Hey everyone, Ive been browsing growdiaries which most of you probably already know... I have no idea if this site is legit or not, but I look at yield reports by users and they are quite low always. for example, I constantly see reports of autos and photoperiods yielding somewhere 0.3g - 0.5per...

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...

Hello, I'm very confused in deciding what lights to get. I plan on attempting two different kinds of growing. Bellow are my current researched options and some comments or thoughts alongside each. Any criticism or advice is greatly appreciated! (I believe all Quantum boards are equipped with...

Grow Tent - Green Qube 120 Lighting - 2x 120w 288pc 3000k lm301b Quantum Boards - 2x 120w 252pc 3000k + 36pc 660nm Ventilation - 125mm Rhino Thermostatic Ventilation Kit: 1x 125mm Rhino Thermostatically Controlled Fan. 1x 125-300mm Rhino Pro Carbon Filter (incls outer...

Would like to hear your guys opinion on which setup i should go with in the future. 8x4 Tent, - 36 Luminus CXM22 3500K CRI 90, each cob @ 30 Watts, total 1080 Watts. or: -16 Quantum Boards 3500K Samsung LM301B 84CRI. each @ 68 Watts, total 1088 Watts...

Hello RIU, We are proud to announce our new lineup of QB288 V2 Powered by Samsung Timber Fixtures. Featuring the latest high flux bin mid powered Samsung LM301B diodes, these lights provide good spread at low canopy heights...

Ok, I built a LM561C S6 PCB 3500k with 672 diodes. According to the samsung calculator I was 170 lm/w at 300 watts but I honestly only ran the board up to 280watts or 171 lm/w. I was very surprised how well the lights did over a 5x10 grow, I and many people that saw my site in person felt the...