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Hi wietefras, I saw a reference to your copper water-cooled unit for COBs but I couldn't find a thread with a review. Were you happy with the performance? Unnecessary? I don't want to over engineer so I'd be happy to hear your thoughts.

I like Peterson because he promotes personal responsibility first and foremost. I like his breakdown of equality of outcome vs. equality of opportunity and his explanations of the natural differences in genders is fascinating. It's fun to watch him think through things on the fly. He has a...

And there have been studies showing UV or IR directly affecting cannabis health? Potency? Terpene Profile? Please link the studies, I'm always interested in reading more.

You certainly feel strongly about this. Do you believe broad spectrum everything is better? I understand the sentiment, partial to it even, but I've never found studies that support/disprove the other camp. Can't COBs be mixed in multiple spectrums?

I'm not doubting that but I still have one that needs to be used until it can be sold or given some other duty. I also have some COBs and I'll be pushing LEDs with all future purchases. It's still nice to see who uses them since they are still in circulation and need not be thrown away.

Is anyone still using their LECs? This thread took a nose dive

Hi Nugachino, what controllers are you using?

Hi GroErr, it's been a while since I've logged on. Just curious what you're currently rocking? I know we discussed CMH/COB set-ups a while ago and I see it referenced in your sig. What set-up do you have currently? What area does it cover?

Somewhere in the middle of this thread, there was a lot of debate about the merit of AACTs, with people posting university findings debunking many of the claims. I skipped 10 pages after that and it had all but stopped being discussed. Where are people on this? I have already built my brewer...

The only other thing I can point to is the reflector. Since the reflector is such a crucial part of useable light, perhaps the sun systems reflector is that much better? I have the SS but I won't argue dogmatically it's better. Just curious about finding the details on best value and best...

I'm very interested in seeing the phantom vs. the Sun Systems. The air-cooled aspect is nice if needed but I'm hoping it's not necessary in my set-up. Either way, I'd like to know if the sun systems is worth the additional hundred.

Great convo everyone. I purchased my LEC and I'm in the process of building my LED supplements to it (a few CXB 3070s 3500k BBs around the perimeter of the tent). Hope to have pics over the next month.

That ALK looks great. I love seeing trees grown indoors. Can't wait to see what you can pull off her.

LEC bump

Nice work JB, what drivers did you use to cover your 12 COBs? Did you go with 3 x HLG 120H-1050? That's the best config I can find to cover the 12 3070s I'll be putting together shortly. Also, where did GrowMau5 go? This is his build/grow thread and it's polluted by all of us.

Interested in seeing more from you experienced LEC'ers.

You have 1760 watts for a single plant? And how are you directing your 1000W HPS, 360 watts LED and 400 Watt MH towards this plant?

Another attempt for some feedback on a first mix for ROLS. As I understand it, most of you let it bake for 2-4 weeks, is this correct? How would you go about mixing the above?

Can someone walk me through the calculation to determine surface area of heatsink needed to passively cool a cob? I'm going to run 3070 BBs at 1050 or 1400. I'm looking at the 7.2" profile and I'm wondering what size piece would adequately cool a single cob running at those currents. Anyone...

From what I can tell an equivalent mesh size for the typical micron progression would be: 61, 86, 125, 137, 158 That's roughly equal to microns: 248, 168, 120, 108, 96 Would it be better to skip the 137 and just use 4 mesh sizes? All of this is new to me so I appreciate the help.