Bro I just joined this site all because i saw your post while googling.. Plz tell me you still run the waterfarms? I have one and so far it has been awesome. But im yet to meet anyone on any site that runs one. Kinda bummer.. I also just use hydrogaurd. Tell me do you have a top off res? filled with straight ro water? do you add hydogaurd to the res? I have been just adding it when i change out the system every 14 days in the control bucket and leaving my top off res straight untouched ro....