Will Calcium Hardness Cause Stains On Vinyl Pool

If you have a vinyl or fiberglass pool you won t be able to use a pumice stone.

Will calcium hardness cause stains on vinyl pool.

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. The first thing you ll want to do is remove calcium from pool water. Calcium hardness is also very important to the chemical balancing of your vinyl liner swimming pool. Chemical experts say this isn t the case.

How to lower hardness in a 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. Then refill the pool adjusting the alkalinity. 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. For this you ll need to partially drain your pool. Calcium can appear in the form of a thin calcium film that covers dirt or metal stains on the pool interior. A calcium scaling specific additive may remove the deposits but these products can take months to dissolve calcium silicate.

The optimal calcium level is 200 400 ppm. Calcium hardness must be actively managed along with ph and total alkalinity to keep water in proper chemical balance. Then get the ph and total alkalinity in line. Calcium for a liner pool can be a bit lower than a plaster pool in the range of 150 250 ppm.

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. Although calcium carbonate is always white in this case it presents as brown or grey because the dirt discolours the calcium carbonate making it appear brown. A higher ppm causes deposits on the surface and cloudy water. The stains should dissipate over time even in a plaster pool.

If you have a concrete or plaster pool keep the level between 200 ppm and 275 ppm. It would scratch the pool. Some pros fear that purple stains are permanent on a more porous surface. 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.

Low calcium levels in the pool.