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