HC151+ pH(Rx)-Cl(J) / HC200+ pH(Rx)
ENGLISH
3.6 CORRELATION BETWEEN FREE CHLORINE, pH e REDOX
The graph shown below is useful for understanding the correlation between the measurement of free
Chlorine the pH and Redox. In a swimming pool system this information is very useful to verify that there
is an "alignment” of all the measures to ensure that the chemical-physical parameters are respected; to
better understand the graph, a typical example is described:
The area highlighted in light blue is the one that indicates the ideal values in a swimming pool system.
For example: for pH value of 7.2 (ideal), a Redox value of 725mV corresponds, corresponding to a free
Chlorine value of 1.2ppm.
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