Hello there
We have a 16x32 inground vinyl liner. 20,000 gallon. It's got a Foxxx sand filter 3 cu ft. Filter rate 47 to 63 GPM. The pump is a Hayward superpump. 1 hp.
My water test revealed today:
Alkalinity 130
Calcium 310
Ph 7.5
Chlorine 2.5
We opened 2 1/2 weeks ago. Deep end is murky...