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    Calcium Hardness

    Current Numbers FC - 8, pH - 7.2, TA - 40, CH - 140. Salt - 2900, Temp - 50 F, Water crystal clear. :Pool not used in winter months Should I be bringing up TA and/or CH? Outdoor in-ground 4800 gal PebbleTec pool built in Phoenix in 2013. Untreated city water (CH= 60) last changed Oct...
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    Pool Math Target Values

    The suggested 'Ideal' and 'Recommended' values don't agree with the Hayward recommendations. How do I change them in Pool Math app?
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    Hello from Surprise.

    We will try 112 in AZ today. Ordered my Taylor 2006C so I can get a grip on my chemistry. Then get to tackle the dreaded black algae in/on the pebble tec of my cocktail pool