I'm a canna guy and don't worry about it. But I always keep some Clearex around in case I need a flush. It will flush the salts right out. Every 2 or 3 weeks should work fine. I favor this product because it requires only 100% runoff. A water flush requires about 5 to 10 times that amount.
grey1223 Reviewed by grey1223 on . CAN NUTES STUNT GROWTH? Can giving nutrients to MJ in the early Vegetative stage (about 3 weeks) cause its growth to stunt? Rating: 5