Re: Lowering Alk in Hot Tub
I would not add more than 1/2 oz. at a time (1 tablespoon) and then check the pH in about 20 minutes of filter run time. Repeat until the pH is at about 7.0 and then open up the air jets.
Originally Posted by csevel
11.75'x23.75' kidney 6.5K gal IG fiberglass pool/300 gal acrylic spillover spa combo; Aqualogic automation/SWCG; Pentair Clean and Clear 150 cart filter; 1.5 hp uprated 2 spd Pentair Whisperflo pump; PF:17
Retired pool store and commercial pool maintenance guy.