Calcium Hardness In Pool Too Low

A dissolved calcium level that is too high hard water can be damaging to a pool but a low calcium level soft water can also cause problems.

Calcium hardness in pool too low.

Although soft water is desirable in everyday home use calcium hardness is necessary in pool water. Soft water low calcium levels can cause plaster or concrete pool walls to lose their calcium to the pool water and can cause vinyl pools to lose their elasticity. You should always make sure you have first balanced total alkalinity then ph and lastly calcium hardness when balancing your pool. These are symptoms of swimming pool water that is unbalanced.

If you can t or don t want to drain any water from the pool try using pool floc to clump the. If it s high in calcium try using a. The calcium hardness should be around 250 350 parts per million ppm. For a swimming pool low calcium hardness can bring trouble.

The ideal range is 200 to 400 parts per million ppm. What causes excess calcium in a swimming pool. 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. Hardness is the measure of how much calcium or calcium carbonate is present in your swimming pool water.

Calcium is always present in your pool. The recommended range is 150 400 ppm parts per million with an often cited stricter range of 200 400 ppm. Why raise the pool water calcium hardness level. Calcium hardness must be actively managed along with ph and total alkalinity to keep water in proper chemical balance.

Before you replace the water test your water source. If the calcium levels in your pool are regularly above 350 ppm do a calcium hardness test for your tap water. If you re faced with a re plastering job on your pool you ll realize. Excessive calcium in a pool is typically the result of an imbalance in your pool water and it can result in white scaly buildup.

If the hardness is above 350 ppm you will need to lower it. Current industry standards call for maintaining calcium hardness in the ideal range of 200 400 ppm in pools and 150 250 ppm in spas. Low calcium hardness may cause pool water to become corrosive which can result in etched plaster corrosion of equipment and fixtures or may cause metallic stains. Buy now at the pool factory.

The role of calcium hardness in water balance. 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. In addition to phand total alkalinity calcium hardness must be kept in balance so that your pool water does not become too corrosiveor end up scalingthe surface of your pool.