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Guess not

It looks like you are over watering...

I use about 64 watts of neutral white XML2s mounted on the 2 inch heatsinks grow heatsinkusa. It covers a 30" x 48" space, is passively cooled and cost only about $150 to make. I wouldn't use cobs for this space... These got put under this set up yesterday....

Build your own. Check out Growmau5 video for rapidled.com He builds their low profile led light. I built mine based off of the same principle.

Oh yeah, no heat too.

I built this using 2 inch profile heatsinks from heatsinkusa and solderless neutral white XML2s from rapidled. I mounted it to the roof of my small veg cabinet. It covers a 30" x 48" area and draws about 65watts. Took about an hour and cost maybe $150. I replaced 3 2' 4 bulb T5 fixtures and went...

I built a light using the 2 inch profile heatsinks from heatsinkusa and 16 XML2s in neutral white. It took maybe an hour and costs about $150. It covers a 30" x 48" space. I used two of the drivers mentioned above. It also only draws about 65 watts. It's awesome so far. I have 12 plants in...

Hey all- I have a small pepetual grow cabinet with a veg area that is 30 inches x 40 inches for a total of 10 sq ft. Currently I have 3 2ft. 4 bulb T5 fixtures in the space but would like to switch to using LEDs, specifically the solderless neutral white XM-L2s from rapidled.com. I ordered 13...

Could something else be the cause?

Hey all- I recently built a light using the 10 cob kit from Cutter. The light has two Pairui drivers powering 5 cobs each. It has been running great for the last three weeks, but today one set of cobs began flashing on and off. I switched drivers to that set of cobs and they worked fine; no...

Just curious about my 10 cob order #20096? I'm excited to get started building. Can you recommend a potentiometer to dim them? They'll be used in one fixture for a 4×5 space. Will that even be necessary? Thanks!