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Salt Mix Calculator
Calculate how much salt mix to add based on your water volume, current and desired salinity, and salt mix brand.
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Calculate how much salt mix to add based on your water volume, current and desired salinity, and salt mix brand.
Amount of salt mix needed
16.89 lbs
to reach 35 PPT specific gravity
Grams
7,660
Cups
25.5
Target salinity: Natural seawater is 35 PPT. Typical reef range is 33–36 PPT.
Cup measurement: 1 cup of salt mix is approximately 300g. Use a scale for best accuracy.