Will Calcium Hardness Cause Stains On Vinyl Pool

Problems with pool water hardness.

Will calcium hardness cause stains on vinyl pool.

A calcium scaling specific additive may remove the deposits but these products can take months to dissolve calcium silicate. If you have a concrete or plaster pool keep the level between 200 ppm and 275 ppm. 3 brown cloudy stains are often caused by calcium carbonate capturing either dirt metals or copper as it forms its crystalline lattice structure. Calcium can appear in the form of a thin calcium film that covers dirt or metal stains on the pool interior.

Calcium hardness must be actively managed along with ph and total alkalinity to keep water in proper chemical balance. Low calcium levels in the pool. Calcium for a liner pool can be a bit lower than a plaster pool in the range of 150 250 ppm. If you re dealing with too much calcium in a pool you can try adding a sequestering agent which is a chemical treatment that fights the effects of high metal and calcium content in swimming pool water as an added bonus it also fights stains.

After defining the cause of pool scale and ways to prevent scale problems in pools we will cover how to remove scale from vinyl fiberglass and concrete pools. An edited version of this article originally appeared in the summer 2007 issue of the edge a publication of the northeast spa pool association. These stains are notoriously difficult to scrub free. Calcium hardness is also very important to the chemical balancing of your vinyl liner swimming pool.

How to lower hardness in a 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. If you have a vinyl or fiberglass pool you won t be able to use a pumice stone. If your pool has a vinyl or fiberglass liner the calcium hardness level should be between 175 parts per million ppm and 225 ppm.

It would scratch the pool.