I have a Taylor K-2006 kit and I also have the OTO for daily check if I want to use it also.....the requirements for the first 30 days are new to me...the warranty sheet after the 1st 30 days, FC 1-3...4 may cause corrosion, Ph 7.2 - 7.6, AkaLimits 80-120, CH 200-400, CYA 50-80