I used TF 100 test kit
FC= 32 ppm!!!!
CC= .5 ppm
ph= 7.2
CH= 750 ppm
TA= 100 ppm
CYA= 95 ppm
20X40 Plaster pool 27000 gallons 300 lb sand filter
FC= 32 ppm!!!!
CC= .5 ppm
ph= 7.2
CH= 750 ppm
TA= 100 ppm
CYA= 95 ppm
20X40 Plaster pool 27000 gallons 300 lb sand filter