I've had great success with the R2T 512 diode boards 91 cri
I call them Disco Boards lol
R2T 2019 Newest SunLike 512LEDs Full Spectrum led grow light LM561C S6 Epileds 385nm 450nm 660nm 730nm, find complete details about R2T 2019 Newest SunLike 512LEDs Full Spectrum led grow light LM561C S6 Epileds 385nm 450nm 660nm 730nm, Sun led grow light, 512LEDs, LM561C S6 - R2T Industry (HK) LTD.
www.r2thk.com
No switches for separate channels, just all on or all off.
Personally, I don't see the point of the on/off switches as the Sun doesn't have one and plants grow very well with sunlight!
I think
@nachooo runs uv from vegging through to flowering with great results.
R2T was one of the first companies to offer the option of the extra uv, 660nm + 730nm on a single channel board.
I use them for flowering but they'd veg well too.
I haven't had any issues with them, I've had them nearly a year and a half now.
Here's some nice looking strips too.
R2T Minimal Sunlike Rock Board 240+X LEDs 301B 351H LED Bar LED Grow Strip for Horticulture Planting, find complete details about R2T Minimal Sunlike Rock Board 240+X LEDs 301B 351H LED Bar LED Grow Strip for Horticulture Planting, rock board, 310b, 351h led bar - R2T Industry (HK) LTD.
www.r2thk.com
Rock Board, 950mm x 70mm. Around 86 cri
At last, someone making a 3ft strip. They'd be great for a 4ft x 4ft area.
2ft and 4ft strips are a tight fit in a 4ft x 4ft tent.