CYA Level

BIG R

New member
Apr 22, 2025
2
Oro Valley Az
Did chemistry check on 16000 gal. pool yesterday. Ph 8.2, TCL 1.0, TA 110, CYA 70. Added 32 oz muriatic acid, brought ph level down to 7.4, but now the CYA test shows less than 30 ppm using Taylor 2000 test kit. How do I get an accurate CYA test?