Tank Timeline: Aquarium Log

Log your aquarium's water tests and see how readings change over time. Tank Timeline is a private journal for freshwater, planted and shrimp tanks. Start free with one aquarium, water-test logging, week and month charts, and JSON backup. No Tank Timeline account is required; your journal stays on your device. LOG WATER TESTS • Record temperature, pH, ammonia, nitrite, nitrate, GH, KH, phosphate, total dissolved solids, conductivity, potassium, iron, free ammonia and ammonium • Choose freshwater community, planted-tank or shrimp-tank presets • Add your own parameters and units • Use multiple named test timers while entering results SEE YOUR TANK'S HISTORY • Keep water tests, care records and notes in a searchable journal • Review a week or a month of parameter charts for free • Use free JSON backup and restore, including app photo copies • Import water-test records from CSV with a…