Calcium Hardness In Pool Too Low

Calcium hardness must be actively managed along with ph and total alkalinity to keep water in proper chemical balance.

Calcium hardness in pool too low.

The ideal range for calcium hardness in swimming pools is 150 400 ppm parts per million so if you try to keep your calcium hardness in the midpoint between those two limits then you should be fine. 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. Hardness is the measure of how much calcium or calcium carbonate is present in your swimming pool water. 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.

If you re faced with a re plastering job on your pool you ll realize. The role of calcium hardness in water balance. Before you replace the water test your water source. If the hardness is above 350 ppm you will need to lower it.

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. 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. 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. Although soft water is desirable in everyday home use calcium hardness is necessary in 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. What causes excess calcium in a swimming pool. Excessive calcium in a pool is typically the result of an imbalance in your pool water and it can result in white scaly buildup. Why raise the pool water calcium hardness level.

If the calcium levels in your pool are regularly above 350 ppm do a calcium hardness test for your tap water. Buy now at the pool factory. The recommended range is 150 400 ppm parts per million with an often cited stricter range of 200 400 ppm. If you can t or don t want to drain any water from the pool try using pool floc to clump the.

The calcium hardness should be around 250 350 parts per million ppm. Calcium plus is used to raise calcium hardness in swimming pool water. How to lower calcium hardness in your pool drain and replace some 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.

These are symptoms of swimming pool water that is unbalanced. If it s high in calcium try using a. The ideal range is 200 to 400 parts per million ppm.