Methuselah

515 gal Master Spas Clarity 8, 10A (3hp?) X2, 2x2 hours filtering has coper/zinc mineral stick, Big Lots bleach, OTO/FAS-DPD drops, ozone gen, 100 degr., under gazebo, 1-2 ppl not quite daily now generally just one every week or two usually 15 minutes, Dichlor initially for 30 ppm CYA, Balboa (M7?), MPS oxidizer might happen, borites still bug poison, county water source.