Based on its ancestor, the new IFC Aquarium Fertilizer Calculator is completed at last. This has been a long (sometimes fun, sometimes painful) adventure for me. I have spend more time than I care to admit but here it is, ready to roll. Home screenshot here below:
so as the title says, here's an EI calculator for Android phones.
You can get it by scanning here
or by searching for EI calculator in Google Play
I have added calculations for macro salts only, as most micro powders come at proprietary mixings.
If you think some more salts should be...