pH
The acidity measure of pool water; the target band is 7.2–7.4, where sanitizers work best and eyes and skin stay comfortable.
pH drifts with rain, fill water and use — it's the value you check first when anything seems off.
See it in the designer
Go on — put a pool in your garden.
Open the designer and see it in 3D tonight. Free, no signup, and your builder gets a blueprint.
Start designing — it's freeFree · no signup · runs in your browser