Quote Originally Posted by FlowerBasketExpress2005
Maybe something in the air the moist environment picks up? But if there are trace minerals it still could build up after a while. Probably doesn't affect taste or anything, I would say just wipe it off with a very slightly damp cloth
If he is using distilled its not the water...check your temp...65-71 degrees 68-72 with humidity. White can be a mold issue. You have to be careful not to ruin a whole crop