I have my system for 6 months now and I've had problems ever since I'm having a black residue coming from my faucet sinks shower heads I've tried to contact the main office and nobody has gotten contact with me I'm going on two months trying to get this resolved I'm going to go ahead and take it up with my lawyer and take it from there worst product ever I would not recommend puronics TG systems to anyone there are better water softeners and companies out there.