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Water balance is an important but often overlooked part of pool maintenance that ensures your equipment, plumbing, and pool surface last as long as possible. Water naturally wants a certain amount of minerals in it, and will try to balance itself by either leaching minerals out of your equipment and pool surface or by depositing excess minerals in the form of scale.
You can use a Taylor Watergram, the circular dial that comes with many Taylor test kits, or an online calculator such as the one found here to check where your water measures on the Langelier Saturation Index. The ideal range is between -0.3 and +0.3, with negative numbers indicating corrosive water and positive numbers indicating scale forming water. Follow the instructions in the above video to use your Taylor Watergram.
If your water is corrosive, your pool water may eat away at your plaster pool surface, metal in your plumbing, and concrete pool decks. Scale forming water will deposit calcium and other minerals onto your pool surface and equipment, clogging filters and disrupting saltwater chlorine generators. Try to check your water balance at least monthly to make sure your water remains balanced!
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