don222
Signature
8 yr old outside in ground vinyl liner rectangular 15' x 30' with 7' 'hopper shape sloping wall' deep end. (Think about 14,000 US galls but not sure!) Pentair Triton 24"sand filter (filled with recycled glass beads) Sta-Rite one-a-half HP single speed pump. Two pool returns. Gas boiler. Test kits = LaMotte DPD liquid regant ColorQ Pro7... supplemented with LaMotte FAS DPD for FC/TC when slamming. Live in southern UK