เครื่องมือที่ช่วยรักษาสมดุลของสารเคมีในสระว่ายน้ำ
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.