Pool: outdoor
15000 gal
Pebble tech (2002) gunnite
Jandy HE2 heater (380,000btu)
Intelliflo pump
Cartridge filter system (4 filters) cleaned regularly
Pool temp kept 90 degrees
Pool used daily - one to two people
Water is sparkling clear
Oto test kit plus TFP test kit
Ph7.4
FC 3 to 12ppm
TA...