Aquarium Fertilizer Calculator will help you quickly see how the recipe affects the fertilizer dosage.
The calculator allows you to determine the dosage of Ca and Mg.

Here you can quickly see how the recipe affects the dosage of fertilizers and compare with the recommended values. The calculator is also very useful in that it allows you to determine the dosage of Ca and Mg.
In the box at the top "Aquarium Volume" enter the volume of the aquarium in liters.
In the field "How do you fertilize?" select "Prepare mortar" or "Powders straight into the aquarium."
Choose the amount of each substance and in what form you add,
enter all the components of your fertilizer.
The calculator in the lower field will show how much mg / l (ppm) will be added to the aquarium per week. Compare with recommended values.

What’s New

Version 2.5

minor fixes

App Privacy

The developer, SERGEY BEZDENEZHNYKH, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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