13000 gallon plaster w/Pebble Tec, built in 2001; 3' wide waterfall for aeration & enjoyment as needed. Hayward C4030 cartridge filter with Hayward Tristar SP3202 VS pump. Softened water for fill water. CircuPool CORE-35 SWCG. Hayward Poolvergnuegen cleaner (love this thing!!). TF-100 Test Kit w/SmartStir.