• Saltwater pools: when free chlorine is a little low, you now also see how much liquid chlorine brings it back to target today, next to the suggested salt cell output change.<br>• Borates: if you use borates, add your reading to a test and the water balance (CSI) takes it into account. Your last reading carries over to later tests until you enter a new one.
1.9.4Oct 26, 2026
• Saltwater pools: when free chlorine is a little low, you now also see how much liquid chlorine brings it back to target today, next to the suggested salt cell output change.<br>• Borates: if you use borates, add your reading to a test and the water balance (CSI) takes it into account. Your last reading carries over to later tests until you enter a new one.
1.3Sep 23, 2026 · seen Oct 5, 2026
• Close for the Season: pause test reminders for a covered pool and get one reminder before you reopen in spring.<br>• Hot tub and small-pool doses you can measure: teaspoons, tablespoons, ounces or grams. Small chlorine doses no longer round up to a whole ounce.<br>• Back up and restore your data for free in Settings → Data Management.<br>• Fall Pool Closing Guide, plus Winter Hot Tub Care in Oct
Simple Pool: Pool Chemistry is a house & home app by Grey Park LLC with 10+ downloads (about 48 estimated). +3 installs in the last 7 days. Released Jul 28, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Log a pool or hot tub test, get the exact dose. Chlorine, saltwater and bromine.”