プールの化学物質のバランスを保つのに役立つツール。
Pool Keeper is an app that helps you keep up with your pool chemicals.
Supports plaster, tile, stone, pebble, fiberglass and vinyl pools.
Tracks free chlorine, pH, alkalinity, calcium hardness, CYA, salt, borates, temperature, and CSI.
Offers recommendations on stable levels of chemicals, and how to correct balance problems.