Ru5tyNaiL
Member
Not to be offensive, but, have you ever setup any size grow? Common sense and/or experience would tell you, no, drywall won't hold grow lights. I'd just leave it bare and use the joists but if you're set on a ceiling, put your drywall up and use a stud finder to find the joists then mark your joists out so you know where to anchor your lights, either way you have to use the joists.
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