Safe free chlorine levvels for swimming

[mikefamig]

I noticed that your chlorine chart recommends target chlorine levels well above the industry standard of 4ppm. How do you explain this?

Mike.

 

[Richard320]

Traditional pool industry thinking ignores the buffering ability of CYA.

Here's the thread with the discussion. Pool Water Chemistry

 

[pooldv]

I noticed that your chlorine chart recommends target chlorine levels well above the industry standard of 4ppm. How do you explain this?

Mike.

How do you explain why the "industry" standard is so low?

 

[mikefamig]

How do you explain why the "industry" standard is so low?

I'm not a pool water technician or chemist so I don't know. This is why I asked.

- - - Updated - - -

Traditional pool industry thinking ignores the buffering ability of CYA.

Here's the thread with the discussion. Pool Water Chemistry

Thank you!