Calcium Hardness Levels In 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.

Calcium hardness levels in pools.

The ideal range for calcium hardness in swimming pools is 150 400 ppm parts per million. Purchase a calcium hardness test kit from the. Calcium hardness is one of the three key indicators of keeping swimming pool water balanced. Calcium lumps in swimming pool how do i remove calcium off my pool surface.

Reduced pool chemical effectiveness. Recommended range for pools is between 200 400 ppm. Use a strip or chemical test to check the calcium levels in your pool. If you keep your calcium hardness in the midpoint between those two limits about 275ppm then you should be fine.

Having the calcium hardness out of range can lead to problems with water quality and equipment damage. If you re faced with a re plastering job on your pool you ll realize. The ideal reading for calcium hardness in pool water is about 200 to 400 parts per million. Calcium hardness should be tested regularly using test strips or reagents.

Add muriatic acid. Dip the test strip dip the calcium hardness test strip into the pool water. 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. Swimming pool calcium hardness must be managed to maintain balanced pool water.

Current industry standards call for maintaining calcium hardness in the ideal range of 200 400 ppm in pools and 150 250 ppm in spas. For example if your magnapool is running a measured calcium hardness of 200 250ppm then your actual calcium level is too low and should be increased. But what it depends on isn t that difficult. Fortunately calcium hardness changes rather slowly so a once a month testing and adjustment should be all you need.

If your pool has a vinyl or fiberglass liner the calcium hardness level should be between 175 parts per million ppm and 225 ppm. 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. Magnapool recommends a total hardness level of around 800ppm compared to 200 300ppm for typical salt pools. Although soft water is desirable in everyday home use calcium hardness is necessary in pool water.

If you have a concrete or plaster pool keep the level between 200 ppm and 275 ppm. 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. Here s your favorite answer.