vegatation

My seedlings are yellowing some are gripping down but others twisting up. it was hitting 33 under 4 x400 hps so I’ve just turned them down to 250. ihad them under a t5 for two weeks prior. they have been in here a week just done a light mix of ph water at 1.3 nut mix is it the heat and is...

Hey guys I got a 1.5m x 3m tent I’m running rhino pros, 200 out and 150 in but the tents negative pressure is sucking in so hard. I don’t know if the fans are too small for the size? I’ve never had it suck in so hard but I’ve never used a tent this big. its clearly sucking out more than...