There are different recommendations for vinyl and for fibreglass pools. My steps are fibreglass. So what do I strive for?
CYA 38
CH 138
TA to 68
Phos to 1700
PH up 7.6
TC up 5
CYA 38
CH 138
TA to 68
Phos to 1700
PH up 7.6
TC up 5