Calcium Hardness Question

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Sascher18

Bronze Supporter
Jun 18, 2023
21
Henderson, NV
My calcimum hardness is very high. I read this article, Calcium Hardness and states:

In extreme cases, a fading endpoint may occur even when adding five drops of R-0012 at the start. If that happens, mix pool water with an equal quantity of distilled water, test that, and then multiply the result by two.

I tested the pool water with 50/50 mix of distilled water. I counted 17 drops to blue. I multiply that by 2. Do i now multiply 34 x25? Not sure what my final CH is?

Thanks,
 
Do you have an autofill? Many in the SW US here, have piped their autofill to a water softener to reduce CH additions and (virtually) eliminated the need to exchange or drain water.
 
PoolStored said:
Do you have an autofill? Many in the SW US here, have piped their autofill to a water softener to reduce CH additions and (virtually) eliminated the need to exchange or drain water.
Click to expand...
I do have an autofill for the pool and water softener for the home. I should have planned accordinly but will inquire if my water softener can be piped into autofill.
 
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Your location has hard water, as you are well aware.
Chances are your entire pool volume (or more) has evaporated since last September.

Do you recall your CH from right after you refilled?
Did you add any calcium after the refill?

Plumbing the autofill to the softener will help keep the CH in check.
If it's too difficult to plumb the softener directly to the autofill, look into the possibility of an interior cold water line being close to an outside wall or on an outside wall closer to the autofill plumbing.
There is usually always a way - some more challenging than others.

Fill out your signature with pool, all pool equipment (including manufacturers and model numbers) and test kit info.
This assists us in providing you help without needing to ask you each time for this important information.

I see you have PoolMath linked to your forum account, but the logs are empty.
Post a full set of current test results to PoolMath and save them so we can see them.
Be sure track salt, water temperature, combined chlorine and CSI are checked as well.
 
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