GMSgrowsanswered grow question 4 years ago The flush if your to high will help and soaking the entire root system when you flushed will also help. Cant stress enough to make sure when you feed at least 20 % needs to wash out the bottom. That also keeps salts from building in the first place. The bigger your root system gets, the harder it is to get water through the entire root system so lots of your feed will come out the sides of those pots, before reaching the bottom. I hated how much extra nute i had to use to get them properly watered so grew in them once, cost me more for nutes and there was definatley no advantage to those fabric pot, so I have 10 ready to burn.