How to increase CH (calcium hardness)?

[treyragno]

How can I safely, and cost-efficiently raise my CH to an acceptable level?

What is a preferred level?

Below are test results a moment ago:

FC: 7.0
CC: 0.5
pH: 7.5
TA: 80
CH: 200

CYA (taken yesterday. i just started 0.25lbs dry via sock method): est: 25-30
* target is 30-40 (max)

CH (Source water): 175

 

[PoolStored]

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[pjt]

CH (Source water): 175

Over time, your CH will increase due to your fill water. If you can manage CSI, it may be best to add just a little calcium now, perhaps none.