Calcium Hardness In Vinyl Swimming Pools

If you re faced with a re plastering job on your pool you ll realize.

Calcium hardness in vinyl swimming pools.

With sufficient levels of calcium dissolved the aggressive nature of water is tamed and will help prevent the leaching out of certain substances in pool equipment. If your pool has a vinyl or fiberglass liner the calcium hardness level should be between 175 parts per million ppm and 225 ppm. Hardness is the measure of how much calcium or calcium carbonate is present in your swimming pool water. The recommended range is 150 400 ppm parts per million with an often cited stricter range of 200 400 ppm.

If a vinyl liner s calcium level is too low this soft water situation could lead to foaming and other water problems and can harm the vinyl. Calcium is always present in your pool. Low calcium levels in a plaster pool will cause the water to draw calcium directly from the plaster causing it to pit become rough and eventually crumble. Dip the test strip dip the calcium hardness test strip into the pool water.

Look at the screenshot of our lsi calculator. Truth be known vinyl liner and fiberglass pools are likely to decline faster in a low calcium environment. In addition to phand total alkalinity calcium hardness must be kept in balance so that your pool water does not become too corrosiveor end up scalingthe surface of your pool. These are symptoms of swimming pool water that is unbalanced.

Here s your favorite answer. Excessive calcium in a pool is typically the result of an imbalance in your pool water and it can result in white scaly buildup. Although soft water is desirable in everyday home use calcium hardness is necessary in pool water. Calcium hardness is also very important to the chemical balancing of your vinyl liner swimming pool.

A low level can result in foaming which is unpleasant but shouldn t harm the liner. If you have a concrete or plaster pool keep the level between 200 ppm and 275 ppm. High calcium is rarely a problem if other lsi factors are adjusted properly 500ppm calcium hardness is easily managed without scale formation. What is calcium hardness.

For vinyl pools calcium should be between 150 250 ppm. The ideal reading for calcium hardness in pool water is about 200 to 400 parts per million. Fortunately calcium hardness changes rather slowly so a once a month testing and adjustment should be all you need.