1. Yes they are cheap and more common to be available now of both the 80 and 90 cri.
2. I switched out a few lights from the gen 2 strips to all gen 3 strips without any issues. Be sure your forward Voltage on the strips matches the driver and I'd think you'd be good.
Canadian DIY COB material list and sources
I'm in Calgary and built Samsung Horticultural LED strips. All electronics bought from digikey.ca - search for part numbers found in PDF online user manuals
https://www.digikey.ca/en/products/filt ... gNpkBdAvkA
I was thinking to add some deep red COB but I've been getting good results with the Samsung spectrum.
https://www.digikey.ca/en/products/filt ... gNpkBdAvkA
I was thinking to add some deep red COB but I've been getting good results with the Samsung spectrum.