Salt Mix Calculator
Calculate how much salt to add to prepare saltwater at the ideal salinity.
Result
Salt needed --
Recommended mixing time: 24 hours
Use reverse osmosis water (RO/DI) and mix at a temperature between 24-26°C.
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Frequently Asked Questions
How much salt do I need per liter?
On average, about 35-40g per liter to reach a salinity of 35 PPT (1.026 SG), varying by brand.
Do I need to use reverse osmosis water?
Yes, for saltwater aquariums it is essential to use RO/DI water to avoid contaminants like chlorine, heavy metals and silicates.
How long should I mix?
Mix for at least 24 hours with a circulation pump and heater to ensure complete dissolution.
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