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What Is Calcium Hardness In A Pool?

Please explain what "hardness" means and how do I treat it.

Are special chemicals needed?

How important is it?




Thanks for the question

I'd first direct your attention to this page:

Calcium Hardness

It goes into much detail about calcium hardness, what it is and does.

The short answer is hardness of pool water is the total mineral content of the water.

This is made up of elements like calcium, magnesium, copper, iron, manganese and others.

The ideal range for the hardness is 150 - 250 ppm.

If the calcium hardness is too low, the water can become corrosive. This can result in etching of the pool's surfaces.

It can also cause pitting of the plaster pool.

This is where chunks are taken out of the plaster because water is hungry for calcium and will take it wherever it can get it.

If it's too high, scaling can happen and the filter, heater, and pipes become clogged.

There's no chemical to reduce calcium hardness.

A partial or full drain is required with water that has less hardness.

Sometimes a pool delivery company could be called in. They have the water already balanced out and ready to go.

Pool Water Delivery

Hope this answers your question and have a great Summer.

Robert

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