PoolWarden True to the code Title 22 Compliance

The only CA Title 22 swimming pool controller that reads Free Chlorine residual with DPD and has easy last 7 day data retrieval. Calculated PPM is not Free Chlorine residual which is what the code requires.

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Does your CA Title 22 controller read a free chlorine residual?

There are some controllers out there stating Title 22 compliant that are either ORP or Calculated PPM based on a conversion from ORP and pH readings. Since there are so many variables effecting ORP, especially in outdoor pools using cyanuric acid, these are nothing more the guestimates. Protect yourself with actual Free Chlorine PPM readings.…

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Understanding ORP & PPM

Here is a recent article from Pool & Spa News about ORP and PPM. This may help people to understand the differences with PPM measurements in regards to chemical automation.    

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