What are you considering "normal limits"? Industry standard says the normal range is 7.2 - 7.8, which is quite a spread, when you consider that it can factor into the overall water balance of your pool.
What is your overall water chemistry, so we can determine the saturation index?
Total Alkalinity, Calcium Hardness, Water Temeperature, pH?
Sean Assam
Commercial Product Sales Manager - AquaCal AutoPilot Inc. Mobile: 954-325-3859
e-mail: [email protected] --- www.autopilot.com - www.aquacal.com
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