Calcium Hardness Vinyl Pool

Keeping your calcium hardness in the midpoint.

Calcium hardness vinyl pool.

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. The ideal reading for calcium hardness in pool water is about 200 to 400 parts per million. If you keep your calcium hardness in the midpoint between those two limits about 275ppm then you should be fine. A low level can result in foaming which is unpleasant but shouldn t harm the liner.

For vinyl pools calcium should be between 150 250 ppm. If you have a concrete or plaster pool keep the level between 200 ppm and 275 ppm. You ideally want to keep the calcium hardness level balanced as too low or too high can cause problems for you pool. It also produces itchy skin.

One can assume in the course of a week the ph in a plaster pool will rise and in vinyl or fiberglass pools the ph will drop in most cases. Fortunately calcium hardness changes rather slowly so a once a month testing and adjustment should be all you need. When people see calcium scale or plaster problems that are white in color they immediately assume it s calcium s fault. 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.

Calcium hardness is also very important to the chemical balancing of your vinyl liner swimming pool. If your pool has a vinyl or fiberglass liner the calcium hardness level should be between 175 parts per million ppm and 225 ppm. The ideal range for calcium hardness in swimming pools is 150 400 ppm parts per million. If calcium hardness goes above 400 ppm you will likely see a white flaky crust on the liner and pool equipment.

Calcium for a liner pool can be a bit lower than a plaster pool in the range of 150 250 ppm. Low calcium levels in the pool. Calcium on the low and high end of the scales will eventually cause problems and when they do be ready for some serious problems. These are symptoms of swimming pool water that is unbalanced.