Haven't grown in years so I don't need this stuff anymore. Prices are negotiable (tho I think they're quite fair?).
UFO-80 $175 + shipping.
Used in one grow, then boxed up. Worked super well.
Specification:UFO-80
UPC:600740987724
Par Value: 1469.2umol
Lumen:8184 Lm±5%@AC120V 8094...
I've walked a couple dozen people through grows.. it seems like you could really use it so if you want to message me on your next grow I'm willing to help...
I've been vegging on 24/0 for months (I was too lazy to plug in the timer so I just went with it lol). 18/6 and 20/4 cycles definitely got me better results, but like you said, that's not saying 24/0 doesn't work.
I think the majority of growers would agree that they prefer some darkness every day.
5.5 is in the acceptable range for coco. Although it is on the low end, it still should not be causing nute lockouts.
Without knowing specifically what nutes you've been using (and amounts of each), there's not much we can do to help.
Like enforcer said, almost all are clear still, which means it's too early. Pistils look like they're receding/calyxes swelling, so it shouldn't be too much longer before they start turning milky and amber :)
So 20 actual watts for $26? You could get the best lights currently on the market for about $1 per watt if you build it yourself (which is very simple). Lighting is the most important factor for getting big yields, it's not an area you should cheap out on in my opinion. I'd get 1 QB120 (or 130...