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I also have a small 2x4x5 tent for clones and seedlings made from Home Despot Chineseum LEDs. It's brighter than the pic looks, but it's still insufficient. I plan on doing 300w of Vero 29 4000k 80 CRI LEDs with a dimmer later on.

White LEDs are a bit weak in the deep red range (<650nm). I'm using the Philips Luxeon ES deep red (655nm) @ 1.61w. At least the 3000k LEDs are weak. Unfortunately, Bridgelux doesn't have a spectrum chart for the 2700k LEDs so I'm making an educated guess based on the Decor series. Furthermore...

Here's some more pics just taken.

6-12" for even canopy coverage.

The 4000k ones I'm driving at 100w. The 2700k ones I'm driving at 80w, but I may change my mind and do 100w on the additional ones I make.

Some of the additional modifications to the lights that I plan on doing are to add PWM for the fans and add a 12v relay that won't turn on the COB power supply unless the fans are also getting +12v. The support structure is 1-1/4" square Al. tubing. I epoxy'ed some of the COBs, and...

After lurking for awhile, I decided that it's time to post what I've done. This is my first grow and I'm doing it with a DIY Vero 29. Started off with using the cheapest LED A19 light bulbs you could buy from the Home Despot. Had (20) 5000k A19 LEDs. You can pop off the diffuser globes pretty...