Two of the three fields are required to calculate the empty field.
[Volume of Water] – [% Salinity Change] or [Amount of non-iodized Salt]
The calculator will retain the last field entered and will calculate the missing
For example, if you enter Gallons and then go to Amount, the % Salinity will be
calculated or if you enter Gallons and then % Salinity, the Amount will be
calculated. *(note 0.1 = 10%)
Salt concentrations will vary; always consult with a professional before
introducing any major changes to your ponds ecosystem.