gREEn7o0answered grow question 2 days ago Yeah, should probably remove the runoff. I use pot elevators, and vacuum out the excess if it doesn't dry up on its own after a day with a shop vac. May be more difficult with 50-60 in a tent. If it were me I'd probably run large grow trays/drip tray/flood tables to make draining the runoff a bit easier as shuffling or maneuvering around that many plants would be a pain in the ass. It would be a lot easier to have 1-3 large trays to drain rather than 50 small ones. And I'd either drain with a small pump, or vacuum, or even a turkey baster depending on how much runoff and how much time you got. Shop vac makes quick work of it and I already had one kicking around.