Agberdy

about 15,000 gallon in ground plaster pool with attached Spa flowing into pool, probably original with house (built 1972). Using tap water. Pentair DE filter 4000 series. Pentair Intelliflo variable speed pump, Barracuda sweeper. Location: Irvine, CA; Test Kit: TF-100; using Bleach or Ca Hypochrolite, Muriatic Acid.