# FertCalc - Aquarium Fertilizer Solution Calculator Macro Solutions in PPM

> Aquarium fertilizer solution calculator for macro nutrients in PPM. (iPhone/iPad app by ZIOS Corporation.)

- Source: https://appshunter.io/ios/app/fertcalc-aquarium-fertilizer-solution-calculator-macro-solutions-in-ppm/id1091709493 (this page in markdown: same URL + `.md`)
- Developer: [ZIOS Corporation](https://appshunter.io/developer/1091709492)
- Category: Reference, Productivity
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 11 MB
- Languages: American English
- Released: 2016-03-15
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/fertcalc-aquarium-fertilizer-solution-calculator-macro-solutions-in-ppm/id1091709493/reviews.md

## What is FertCalc?

FertCalc is designed with both the planted aquarium newbie and pro in mind.  Measuring and dosing fertilizers does not need to a deterrent for growing lush plantscapes in your aquarium.  It's easy!   

With this app you can enter your dry fertilizer type, the PPM concentration goals, along with your mixing container size and fertilizer solution dose amount and your perfect solution will be displayed in an easy to read format.  

Preset options have been created to automatically fill the recommended PPM concentrations for your aquarium if you are unsure about what concentrations are appropriate for your setups.

## Key features

- Calculate fertilizer solutions
- Input dry fertilizer type
- Set PPM concentration goals
- Specify mixing container size
- Determine fertilizer solution dose
- Preset PPM options

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/fertcalc-aquarium-fertilizer-solution-calculator-macro-solutions-in-ppm/id1091709493/reviews.md

### 5/5 — It's FREE!!!

*2016-03-28*

This is the only FREE aquarium fertilizer app I know of. Quick "Plug and Play" type application. You need to know a few things like the size of your mixing container and how many mL you want to does and the rest fills in by itself. There is an advanced area two if you know the exact PPM you want of each fertilizer. Great app. Simple and to the point!

## Frequently asked questions about FertCalc

### What is FertCalc used for?

FertCalc is used to calculate precise aquarium fertilizer solutions. It helps users determine the correct amounts of dry fertilizers to mix for their planted aquariums, ensuring optimal nutrient levels for plant growth.

### Is FertCalc free to use?

Yes, FertCalc is available for free. The app does not require any payment to download or use its features.

### What devices does FertCalc support?

FertCalc is supported on iPhone, iPad, and iPod devices. It is designed for the iOS ecosystem.

### How often is FertCalc updated?

The latest version of FertCalc is 2.0, which was last updated on April 9, 2016. Future updates will depend on the developer's release schedule.

### What is the age rating for FertCalc?

FertCalc has an age rating of 4+. This indicates it is suitable for users aged 4 and above.

### Can FertCalc help me if I'm new to aquarium fertilizers?

Yes, FertCalc is designed for both beginners and pros. It includes preset options for recommended PPM concentrations, making it easy for new users to achieve appropriate nutrient levels without prior expertise.

### Does FertCalc have ads?

No, FertCalc does not contain advertisements. The app is ad-free, providing an uninterrupted user experience.

### What information do I need to input into FertCalc?

To use FertCalc, you need to enter your dry fertilizer type, your desired PPM concentration goals, the size of your mixing container, and the fertilizer solution dose amount.

## Version history (last 2 releases)

### 2.0 — 2016-04-09

This app has been updated by Apple to display the Apple Watch app icon.

We did some water changes and fixed some bugs.   Dont forget to review the app!

### 1.0 — 2016-03-15

No release notes.

## Apps similar to FertCalc

| App | Rating | Price | Category |
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| [Xalq bilan muloqot](https://appshunter.io/ios/app/xalq-bilan-muloqot/id6446289271) | — | Free | Reference |
| [FishJoy Aquarium Track & Guide](https://appshunter.io/ios/app/fishjoy-aquarium-track-and-guide/id6741951758) | — | Free | Reference |

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*