How long do I keep it at shock level since the CC is already 0?
Re: Green tint on the bottom
How long do I keep it at shock level since the CC is already 0?
15K gal AG oval w/ Hayward sand filter; Taylor K2006C
15'x30' oval 15K gal AG pool; bleach; Hayward sand filter; Hayward pump; 24hrs; Taylor K2006C; utility water; summer: ; winter: ; iPhone; PF:8
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