Re: Fighting Algae for months
Ok, I did some more checking, and seems like there is a layer of white powdery substance on top of the decorative tiles as well (which lines the top edge of the pool walls). It comes off if I scrub bit hard. That makes me think it could be calcification? Can 400ppm of hardness cause calcification?
18x32 kidney 15K gal IG Gunite pool; skimmer tabs; Hayward DE6000 DE filter; Hayward/AO Smith Superflow 1 speed pump; 12 hrs; heat pump, fountain or waterfall; Taylor K2006C ; utility water; summer: none; winter: none; android tablet; PF:8
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