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Undersize a cell and it runs flat out and dies early. Oversize one and you have paid for output you will never use. Every unit below is matched on the pool volume its own manufacturer rates it for — not on a formula we made up.
How much water does the pool hold?
In litres. If you do not know it, work it out from the measurements instead — most people do not know their volume and that is normal.
Who adjusts the acid?
Salt chlorination pushes pH up as it runs. Left alone, high pH makes the chlorine you are producing far less effective, and you get cloudy water and scale. Somebody has to bring it back down.
Does anyone swimming have sensitive skin?
Eczema, allergies, or eyes that sting after a swim. It changes what we would put in, not just how much.





























