6-8 gallons of chlorine may or may not be okay in a vinyl pool--it depends on your CYA level. Also, you say that alk and pH tend to be low/normal, but those are relative measurements--do you have any metals in your water? Copper/iron?
Janet
Re: Dark stains on vinyl liner
6-8 gallons of chlorine may or may not be okay in a vinyl pool--it depends on your CYA level. Also, you say that alk and pH tend to be low/normal, but those are relative measurements--do you have any metals in your water? Copper/iron?
Janet
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