Salt Mix Calculator
Enter your volume and salinity to see how much salt mix to use. Set current salinity to 0 ppt for fresh RO/DI mixes.
Aquarium Show
Use your display + sump water volume, or the size of your mixing container.
For new saltwater mixes, leave current salinity at 0 ppt.
Typical reef target is 35 ppt (about 1.026 SG).
Salt needed
Based on your volume, brand guideline at ~35 ppt, and the difference between current and target salinity.
Brand guideline dose
0 g/gal
≈ 0.0 g/L at ~35 ppt
Total salt to add
0 g
(0.00 lb)
≈ 0.00 cups
(0 tbsp)