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I have 100% ID'd one plant out of five as female. they are all showing pre flowers and the one is showing very distinct pistils. the others are showing more bulbous nodes that have little "hairy" things hanging off their ends, but not coming out from inside the way a female flower does. should...

thanks jcmjrt, franjan. built 3 12" panels this morning. 7reds, 5redoranges, 5royalblue, 4warmwhites, 4coolwhites, each. used a variety of optics to kinda play around with them. they do run warm. i will have to get another fan to exchange more air in the tent. right now im leaving the door open...

i can easily cut the heat sink into thirds. if i have 90W already, do you think 90-100W of the cree blue25% and red75%/third would be adequate? around 370W total?

i have this large heat sink i bought to make an led panel for a reef a few years back. never used it. i would like to make a grow light out of it. what would be appropriate for 5 small plants in a 4'x4'x6' tent currently running a 90W led red/blue fixture? i am relatively good a diy stuff. i...