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Salt Addition Calculator
From current to target salinity: pounds of pool salt, 40-lb bags to buy, and total cost. Re-test 24 hours after adding.
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Chemistry calculators
Dose chlorine, salt, pH, alkalinity, and balancers from test-kit readings.
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Spa Chemical Dose Calculator
Dichlor in teaspoons and tablespoons for spa gallons. Wait 20 minutes with the cover off, then retest.
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