Calcium Hardness In Vinyl Pool

Low ph will damage copper pool heaters.

Calcium hardness in vinyl pool.

If calcium hardness goes above 400 ppm you will likely see a white flaky crust on the liner and pool equipment. Low hardness does not. Calcium for a liner pool can be a bit lower than a plaster pool in the range of 150 250 ppm. The recommended range is 150 400 ppm parts per million with an often cited stricter range of 200 400 ppm.

Low calcium levels in the pool. Calcium hardness is also very important to the chemical balancing of your vinyl liner swimming pool. 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. These are symptoms of swimming pool water that is unbalanced.

Hardness at any level is only an issue in a plastic pool pvc pipes vinyl liner polymer pump if it s high. It also produces itchy skin. In addition to ph and total alkalinity calcium hardness must be kept in balance so that your pool water does not become too corrosive or end up scaling the surface of your pool. In general the whole saturation index thing the pool industry has wasted so much paper on doesn t apply to most pools.

If your pool has a vinyl or fiberglass liner the calcium hardness level should be between 175 parts per million ppm and 225 ppm. Keeping your calcium hardness in the midpoint. Fortunately calcium hardness changes rather slowly so a once a month testing and adjustment should be all you need. 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. A low level can result in foaming which is unpleasant but shouldn t harm the liner. Low calcium as is often the case will cause long term serious damage especially to plaster vinyl liners grout in between tiles metal rails and even concrete decking around the. High calcium is rarely a problem if other lsi factors are adjusted properly 500ppm calcium hardness is easily managed without scale formation.

Truth be known vinyl liner and fiberglass pools are likely to decline faster in a low calcium environment.