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Still unsure, but it's very possible :-P I found the COBs for 33$ a piece in multiples of 20, so that's tempting. Just to confirm the estimated efficiency for the 3K 3070 is about 47, 42, and 39 % at .35, .7, and 1.05 respectively? Either way I would run from .35 to .7, or .525 to 1.05 with...

You have two different efficiencies listed for the cxa 3070 in post 54 and 59. Which one is your correct estimation based on your extrapolation? I ask because I am ready to order my modules. If the efficiency is really that high at 350 ma I will run 32 on meanwell hlg .7s (.35 to .77...

You have me seriously rethinking my plan on running 18 of the vero 18s at .7 A on 2 hlg-185cs in favor of 16 of the cree. Question for you, what size of space are you going to be running the 600 W in (5 x 5?), what type of grow (SOG, ScrOG, trees?) and how did you arrive at the .4g/4 weeks, vs...

Blow the dust off using a can of compressed air?

You'd want to run 12, and quite possibly 13, depending on the forward voltage of the string so as to leave a little left in the power supply just in case. Thanks for posting your experience. It is right in line with my number crunching, which is reassuring! I was estimating 125W per foot on...

I agree, a DIY sub forum in the LED and other lighting area would be ideal ;-)

Thank you for the updates, I have been following your thread as I am in the process of building a vero based light myself. I believe your plant from your last grow under the warmer led did not quite reach the same height, have you decided to change the temperatures for this round or will it...

I have about 20 plants in my house at the moment - including 2 trees (8ft of so). The flowers are bougainvillea and hibiscus. Long story but i got them all for free from a huge indoor garden that shut down. They were running about 100 HIDs in that space, so needless to say they are pretty...

LED plant is looking quite good and you are saving a lot of power over the T5HO tubes. I had considered T5, but bulb and fixture cost turned me off compared to running overdriven T8s. Definitely going to move to the Vero 18s! Yeah that's a real downside for me. Factor in all the ldd...

This is a very valid point. I did a search and did find him mentioning that here and here. Anything above 200V, and especially 400V at .5A that I would be running can easily cause fibrillation. I was planning on running the solderless connectors and painting a non conductive rubber/plastic...

Hi all, Just a quick first post to; 1) Pass on my knowledge to anyone who would like an opinion on the Bridgelux Veros that I have gained while I have been doing research into theses emitters. 2) Ask some specific questions about the Spectrum I have chosen for...