Dosing calculator

This calculator can be used to estimate the amount of additive needed to reach the desired level of a specific element in the water.
Be careful when you use additives, always follow the instructions for the product and test your water on a regular basis.

If you want to read more about dosing Ca, KH and Mg, please visit the help page.

The total amount of water in your aquarium, sump etc.

The water parameter you want to adjust or stabilize.

The additive you want to use. Additives which specify g/l are liquid solutions of the additive.

dKH

Your latest measurement of the choosen parameter.

dKH

The value you want to reach for this parameter.

dKH per. day

Specify how much your corals, algea etc. consume pr. day. More information on the help page.