I don’t run Lucas. I do use GH my Flower regiment is Wk1 -15ml Grow, 10ml Micro, 5ml bloom,
Wk2-15ml grow, 10ml Micro, 5 ml bloom
Wk3- 10ml grow, 10 ml Micro,10ml bloom
Wks4-7 - 5 ml grow, 10ml micro, 15ml bloom.
Wks8-9 flush
I’ve got both phenos. The 41 grows taller, larger node spacing like cookies, smells gasier turns dark earlier in flower. 33 is shorter , tight node spacing like a purp and didn’t yield as heavy as the 41. My 33 dropped male flowers as well so I canned it
Your box should be built around the outside of fresh air vents and discharge side. The bottom of box is open to not choke out system. Essentially your just trying to deflect the hot air from exhaust to pull in through the fresh air sides. This will prevent unit from freezing.
I'd be surprised if they didn't sell them window ac's tend to freeze up in the winter. If you can't find one a good controls guy can build you one. Me personally would deflect the hot air into fresh air intakes its cheap and easy
From my experience you need 3500-4000 btu of ac per air cooled light. In my opinion air cooled lights are for tents or small rooms with heat issues. Open double ended fixtures are proven to increase yield. If your expecting to yield 25 units I'd drop those 16 air cooled hoods down to 10 de...