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iOS · utilities

Reef Salt Calc

Salinity and water change tool

$19.9
Apple ID: 6781887014Version: 1.1App size: 0.9 MBReleased: 2026-06-23

Languages

English,French,German,Japanese,Korean,Portuguese,Russian,Chinese,Spanish

About this app

Reef Salt Calculator is designed for marine aquariums, reef tanks, and small saltwater tanks. It helps estimate salt dosage, water change volume, and salinity changes after top-off or maintenance. Core features include tank volume calculation from dimensions, sea salt grams for a target salinity, reverse water change calculation from current and target salinity, maintenance logs for water changes, salt additions, top-off, and measurements, plus saved tank templates and salt mix parameters. All data stays on the device for long-term offline use.

Screenshots

Reef Salt Calc · Screenshots 1Reef Salt Calc · Screenshots 2Reef Salt Calc · Screenshots 3Reef Salt Calc · Screenshots 4

Features

  • Tank water volume calculation, target salinity sea salt usage, current to target salinity water change reverse calculation, evaporation and water addition impact estimation, common sea salt parameter templates, water change and salt addition records, local aquarium archive, unit switching, maintenance history statistics