Search FAQs

pH is the acid/alkali balance in the water and is a logarithmic scale.

pH 7 is neutral.

pH 6 has 10 times more acid (literally hydrogen ions) in the water than ph 7.

pH 5 has 100 times and 4 has 1,000 times, etc.

The pH of human skin is acidic at pH 5.5.

Soda water is about pH 3.5, which is over 1,000 times more acid than neutral water.   Coca-Cola is below 3

Going the other way, pH 8 is alkaline and 10 times more so than pH 7.

pH 9 is 100 times.

Importantly, pH also has a large effect on the effectiveness of the chlorine sanitiser in conventional pool chemistry water.  If pH is too high, the chlorine will ‘switch-off,’ converting from hypochlorous acid to hypochlorite, and becoming up to 30 times less effective.  Said another way, you need up to 30 times as much chlorine in the water at pHs above 8.5 as you do at pHs around 7 with conventional chlorine pools   Pools are normally operated around pH 7.4-7.6 with conventional chemistry for this reason, with outer limits of 7.2 -7.8.  These limits are all to do with chlorine effectiveness and little to do with ‘balanced water’ or eye or skin comfort.  Those are governed by other factors.

These pH restrictions do not apply with Pooled Energy’s Advanced Water Chemistry where the combined chlorine/bromine sanitiser remains effective. the water is genuinely balanced and the water comfortable to swim.  Pooled Energy pools operate from pH 7.2 to over pH 9….a much wider ‘sweet-spot,’with enhanced comfort, fewer types and lower quantities of chemicals.

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