Cya regulations

Hi guys

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I am trying to find regulations for using Cyanuric acid in outdoor swimming pools

Currently my main field of work is just on Residential pools not Commercial/Public pools.

When it comes to CYA everything is fine until we get to Cryptosporidium.



I studied the pages below

This one from CDC

Cleaning and Remediation | Healthy Swimming | Healthy Water | CDC



It says:

"For public pools, the pool operator should raise the free chlorine concentration very...​

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