Aquarium Care Log
Track Water, Params & Dose
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Track aquarium water changes, parameters, and maintenance offline. Instantly calculate precise salt dosages by weight or kitchen spoons with a built-in log.
Keeping an aquarium healthy requires tracking a variety of details. Aquarium Care Log makes it simple to manage your tank's health, monitor essential water parameters, record water changes, log maintenance tasks, and calculate precise salt dosages.
Whether you are a freshwater aquarist performing routine quarantine, treating fish diseases like Ich, or a marine reef enthusiast monitoring specific gravity, this app is your complete offline helper.
Features:
1. Easy Aquarium Care Logs
- Water Changes: Record the date and percentage of water replaced during maintenance.
- Water Parameters: Log and track critical variables including temperature (Fahrenheit), pH, salinity (Specific Gravity), ammonia, nitrite, and nitrate levels.
- Maintenance Tasks: Keep notes on filter sponge cleaning, media replacements, and other equipment upkeep.
2. Precision Salt Calculator
- Instant Dosage Calculations: Input your water volume (in liters or gallons) and target concentration (e.g. 0.3% quarantine, 0.5% parasite treatment) to get the exact weight of salt needed in grams.
- Kitchen Spoon Conversion: No scale on hand? Automatically convert gram weights into practical kitchen spoonfuls (coarse salt or marine mix).
- Tank Volume Estimator: Easily calculate water volume for rectangular, cylindrical, or irregular tanks by entering physical dimensions.
3. Local Dashboard & History
- Quick Actions: Access calculations, logs, and maintenance tracking from a streamlined dashboard.
- Dosing & Care History: Keep a comprehensive chronological timeline of all activities to prevent double-dosing and monitor environmental trends.
4. 100% Offline & Private
- All data is stored locally in the application's secure storage.
- No accounts, cloud dependencies, or internet connections are required.
Please Note: This application is a logging and calculation utility intended for personal pattern analysis and daily wellness support. It is not a veterinary or medical tool and is not intended to diagnose, treat, or prevent any severe medical condition. Please consult an aquarium professional or veterinarian for specific aquatic life advice.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Shenzhen Fu Kang Heng Development Co., Ltd., 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
- Shenzhen Fu Kang Heng Development Co., Ltd.
- Size
- 4.1 MB
- Category
- Utilities
- Compatibility
Requires iOS 26.1 or later.
- iPhone
Requires iOS 26.1 or later. - iPad
Requires iPadOS 26.1 or later. - Mac
Requires macOS 26.1 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.1 or later.
- iPhone
- Languages
English and 32 more
- English, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Premium Unlock $1.99
- Copyright
- © 2026 Fugui Cao
