Reef Salt Mix Calculator
Calculate exact salt amounts for perfect reef aquarium water changes
Our professional salt mix calculator determines the precise amount of reef salt needed for water changes in your marine aquarium. Maintaining proper salinity is crucial for coral health, fish wellness, and overall reef tank stability. Calculate exact salt requirements for any water change volume, with support for popular reef salt brands and temperature compensation for accurate mixing ratios.
Select the salt mix product you are using for water changes.
Enter the volume of water you are changing in your aquarium.
Enter the temperature of the water you are mixing
Use the slider to set the target salinity for your aquarium.
This is the adjustment needed for your water.
Ensure perfect salinity levels with precise salt calculations that eliminate guesswork and prevent salinity fluctuations harmful to reef organisms.
Select your preferred salt brand, enter water change volume and target salinity. Our calculator provides exact measurements for consistent, professional-quality artificial seawater.
Brand-Specific Formulas
Optimized calculations for Red Sea, Instant Ocean, Tropic Marin, and other popular reef salt brands.
Perfect Water Changes
Calculate exact salt amounts for consistent salinity levels and stress-free water changes.
Temperature Aware
Temperature compensation ensures accurate mixing ratios for optimal artificial seawater quality.