I do hydro, and in my veg room its a drip irrigation that feeds every 4 hours for 5 minutes. I started off with only 1 minute feedings. the key is to feel the medium, which in my case was rockwool, and make sure it isn't waterlogged. I have my veg room lights on 24/0. but then again, I move my plants to ebb/flow for flowering, and I feed every 3 hours and flood for 3 minutes even when the light is out. so far no problems with that.sometimes there looking a little dry, is it alright to mist them with water or would that cause mold or somthing,, and are you supposed to flush befor flowering or just start the flowering nutes just like the other nutes(wanting to flower soon and want to do everything perfect , as good as i can),,,,,,,,,,,, and also i have one hydro plant and was wonding if when i switch to 12/12 should i keep the pump on the hydro on 24/7 or have it go off with the 12/12