Well........... I may have screwed up my plants.... they are on 12/12. I plugged the new light into the wrong power strip and it has been on 24/0 for three days....
And I'm almost desperate for bud. Going to chop one of my Azure Duck seed plants if I have to. Got 12 of them so guess I can spare one lol! I'm figuring 700-1000 seeds per plant average based on their size, so there won't be a shortage.....
I'd run 4 boards in parallel on an HLG320H-C2800A or B version ( A version has an internal dimmer ) the same setup I'm using. Run at full power, about 85 watts per board, you'd have about max lighting for that space without CO2. I could have run 2 drivers and gone to 135 watts per board, but I see no need to drive them that hard. I expect with some time to learn these lights, 2gpw should be attainable. See my test grow thread!
I've got a similar size cab. I've only one in there right now, but its just for small, seed plants. Two QB 288 running at 50-55 watts each would be perfect. With two, you could use a HLG185H-C1050b. For 70-75 watts each, use the HLG185H-C1400b. With the b model, you can add external dimming. a models have an internal dimming pot you can adjust also
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