# AquaCalc: Aquarium Calculator — Perfect Water for Your Fish

> Perfect Water for Your Fish (iPhone/iPad app by Andrew Nolan.)

- Source: https://appshunter.io/ios/app/aquacalc-aquarium-calculator/id6747986281 (this page in markdown: same URL + `.md`)
- Developer: [Andrew Nolan](https://appshunter.io/developer/1813939818)
- Category: Lifestyle, Utilities
- Price: $0.99
- Age rating: 4+
- Requires: iOS 18.4 · 6 MB
- Languages: American English
- Released: 2025-07-03
- Data updated: 2026-09-24

## What is AquaCalc?

Take the guesswork out of water changes and create the perfect environment for your fish with AquaCalc!

Are you tired of staring at your water test kit, trying to figure out how much water to change? Do you worry that you're changing too much, or not enough, to get your nitrate levels just right? Maintaining a healthy aquarium shouldn't be a stressful guessing game.

AquaCalc is the simple, beautiful, and precise tool every aquarium hobbyist needs. Just enter your aquarium's volume, your current nitrate reading, and your target level. In an instant, AquaCalc tells you the exact percentage and volume of water you need to change. No more complicated math, no more wasted water, and no more stress on your fish.

Key Features:

Instant & Accurate Calculations: Get the precise water change amount in seconds.

Simple & Clean Interface: Designed to be beautiful and easy to use, even with wet hands!

Supports All Tank Sizes: Works for any aquarium volume, from nano tanks to large show tanks.

Gallons & Litres: Easily switch between metric and imperial units to match your preference.

For All Hobbyists: Perfect for beginners learning about water chemistry and for seasoned experts who value precision.

Spend less time calculating and more time enjoying your beautiful aquarium.

Download AquaCalc today and give your fish the perfect water they deserve!

## Is AquaCalc safe?

Not enough ratings yet to assess AquaCalc.

## Is AquaCalc legit?

AquaCalc: Aquarium Calculator appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for AquaCalc is 63 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2025-07-03

No release notes.

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## More apps by Andrew Nolan

- [Big Pill Reminder](https://appshunter.io/ios/app/big-pill-reminder/id6745799570)
- [My Condition Explained](https://appshunter.io/ios/app/my-condition-explained/id6746275758)
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- [SnapSnag](https://appshunter.io/ios/app/snapsnag/id6759111169)
- [PawRecord: Pet Health Tracker](https://appshunter.io/ios/app/pawrecord-pet-health-tracker/id6761501071)

All apps by Andrew Nolan: https://appshunter.io/developer/1813939818

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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 2026-09-24.*