How do I lower Hardness?
Otherwise, if your source water is 300ppm less hard than your pool water, you can partially drain your pool (up to about 1/3 of the way down) and refill.
If your source water is also hard, consider balancing using the Hamilton Index to compensate for your hard water.
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How do I lower Total Alkalinity?
To lower Total Alkalinity we recommend using Easy Acid or - if not available - Sodium Bisulfate. This will lower the alkalinity strongly while keeping the pH relatively stable. We recommend you balance your Total Alkalinity according to your water ...I used Cal Treat and my hardness didn't change.
Cal Treat may fail to lower calcium hardness in two scenarios: Cal Treat is formulated for D.E. filters only. If you used the product in cartridge or sand, there is no guarantee that it will pull the hardness out. You can try using filter aids in ...How do I raise Hardness?
To raise Hardness we recommend using calcium hardness increaser (calcium chloride). Assuming a 10,000 gallon pool, for every 10ppm increase in Hardness add 1.25 calcium chloride to pool.How do I lower pH?
To lower pH we recommend using No Mor Muriatic Acid or - if not available - liquid acid. This will lower the pH strongly. We recommend a pH range of 7.8 to 8.2. Refer to the Hamilton Index for additional information. We also recommend first balancing ...How does Cal Treat affect balancing?
Cal Treat removes up to 400 ppm of calcium hardness. It's also slightly acidic and may lower pH.