Calcium Hardness

[dschribs]

I'm confused as to why this test is necessary. Does the hardness affect any of the other chemical components one way or another?? If I'm getting 140 on a calcium hardness test isn't that ok?? Why would I want to make my pool water harder.

Also, how often would I want to test for calcium hardness?? Is say once a week enough??

Thanks!!

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[Richard320]

I'm confused as to why this test is necessary. Does the hardness affect any of the other chemical components one way or another?? If I'm getting 140 on a calcium hardness test isn't that ok?? Why would I want to make my pool water harder.

Also, how often would I want to test for calcium hardness?? Is say once a week enough??

Thanks!!

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For your pool, low CH is no problem. But high CH can lead to scaling, and you can't attack it with a steel brush. If you're only at 140, I'd suspect you don't have hard water, so every couple weeks ought to be plenty.

 

[duraleigh]

It's important to make sure in a vinyl pool you don't have too much CH (you don't)

It's VERY important in a masonry pool to make sure you don't have too much or too little. Too little in a masonry pool can leach calcium from the masonry.

CH is pretty darn stable and I would say testing 3- 4 times in the swim season is certainly enough.

(Richard320 beat me)

 

[dschribs]

We just moved into the house and as my wife said after her first shower. "The water seems very hard here". I will keep an eye on it every few weeks. Local pool store wanted me to raise my hardness. Go figure...

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[Richard320]

We just moved into the house and as my wife said after her first shower. "The water seems very hard here". I will keep an eye on it every few weeks. Local pool store wanted me to raise my hardness. Go figure...

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Of course!

Hardness Increaser is a high markup item.

So's Alkalinity Increaser - baking soda at 4X or 5X the price you can buy the exact same thing at Costco, but Costco's doesn't come in a spiffy plastic pail.

 

[dschribs]

I'm begining to understand...its all finally sinking in now...I see the light as they say!

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