AquaCalc: Aquarium Calculator
Perfect Water for Your Fish
$0.99 · Designed for iPad
Tired of guessing? Calculate the exact water change needed to lower nitrates and keep your fish healthy. The essential tool for every aquarium hobbyist.
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!
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The developer, Andrew Nolan, 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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Andrew Nolan
- Size
- 6.8 MB
- Category
- Lifestyle
- Compatibility
Requires iOS 18.4 or later.
- iPhone
Requires iOS 18.4 or later. - iPad
Requires iPadOS 18.4 or later. - Mac
Requires macOS 15.4 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.4 or later.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 Andrew Nolan
