Calcium Hardness Levels In Pools

Having the calcium hardness out of range can lead to problems with water quality and equipment damage.

Calcium hardness levels in pools.

Recommended range for pools is between 200 400 ppm. Calcium lumps in swimming pool how do i remove calcium off my pool surface. 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. Add muriatic acid.

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. It is important to test occasionally to make sure your pool water is neither too hard or too soft but within the ideal calcium hardness range 150 400 ppm. Current industry standards call for maintaining calcium hardness in the ideal range of 200 400 ppm in pools and 150 250 ppm in spas.

Calcium hardness should be tested regularly using test strips or reagents. 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 you keep your calcium hardness in the midpoint between those two limits about 275ppm then you should be fine. Reduced pool chemical effectiveness.

Changes in ph chlorine levels and alkalinity can be a. Testing calcium and chemical levels 1. Purchase a calcium hardness test kit from the. If you have a concrete or plaster pool keep the level between 200 ppm and 275 ppm.

Here s your favorite answer. Calcium hardness is one of the three key indicators of keeping swimming pool water balanced. If you re faced with a re plastering job on your pool you ll realize. Dip the test strip dip the calcium hardness test strip into the pool water.

Test the ph alkalinity and chlorine levels of the pool. Swimming pool calcium hardness must be managed to maintain balanced pool water. Magnapool recommends a total hardness level of around 800ppm compared to 200 300ppm for typical salt pools. The role of calcium hardness in water balance while hardness in water consists of both calcium and magnesium salts total hardness only the calcium component is relevant in the water balance calculation for pools and spas.

Although soft water is desirable in everyday home use calcium hardness is necessary in pool water. The ideal range for calcium hardness in swimming pools is 150 400 ppm parts per million. If your pool has a vinyl or fiberglass liner the calcium hardness level should be between 175 parts per million ppm and 225 ppm.