So what would be the minimum gap you'd want between bulb and screen for a low wattage grow like this? I've never done a c-scrog but I would guess something like 6"?
I'm hoping to do a similar thing with a 24w pll, where the glass bulb is 11" long.
I'm hoping to do a similar thing with a 24w pll, where the glass bulb is 11" long.