Fish Tank Diary — Make Aquatic Life Easier and More Accurate

The Fish Tank Diary is a diary that records and analyzes your fish tank and overall aquatic life.
Record the growth and management of your fish by date, and manage everything from water quality measurements (water temperature, pH, NO3), water changes, feeding, equipment/cleaning, and even fish populations in one place. Calendars, history, and graphs allow you to see trends at a glance, helping you maintain a stable fish growth/care routine.

◆ How to Manage
1. Tank-by-Tank Management (Multi-Tank Support)
Collect records by tank name (tank) and filter to view only the tanks you want.

2. Basic Check (Periodic Condition Inspection)
Easily check water quality scores, cleanliness, and appetite/reaction on a scale of 1 to 5 to identify changes in condition.

3. Water Quality Measurement (WATER_TEST)
Record water temperature (°C), pH, and NO3 (ppm). Check stability with trend graphs and averages.

4. Water Change (WATER_CHANGE)
Record the **water change rate (%)** and conditioner/memo for reference during subsequent maintenance.

5. Feeding (FEEDING)
Record the type of food and the amount fed (S/M/L). Prevent over- or underfeeding by summarizing recent feeding amounts.

6. Population (POPULATION)
Regularly update the current population to track increases and decreases.

7. Equipment/Maintenance (MAINTENANCE)
Record cleaning history for filters, pre-filters, etc.

8. Notes/Photo Attachment
Detailed information such as disease, quarantine, spawning, and layout changes is recorded with notes and photos.

◆ Dashboard (Home) at a Glance

1. Analyze specific ranges using the Period/Tank Filter Chip (1 week/1 month/1 year + specific tank).

2. Trend Graph: Visualize changes in water quality, cleanliness, appetite, and response (1-5) by date.

3. Summary Card: Number of entries, Feeding Amount (Recent), Water Change Rate (Average), Water Temperature (Average), Number of Fish (Recent), pH (Average), NO3 (Average), Last Water Change Date, Equipment Cleaning Date

4. Recent Record List: Tap to view/edit details.

◆ History & Calendar

1. Calendar: Dates with records are highlighted, making it easy to check for missing entries.

2. Card-based History
Line 1: Type/Tank/Date → Line 2: Score Summary (Water Quality/Cleanliness/Appetite/Reaction)
Line 3: Key information by type (e.g., Water Quality Measurement: Temperature/PH/NO3 / Water Change: Rate / Feeding: Type/Amount)
Line 4: Organized for easy viewing, including notes and photo thumbnails at the bottom.

◆ Data and Backup

1. CSV export support: Save/share data in an organized format, including date, tank, type, score (water quality/cleanliness/appetite), water temperature, pH, NO3, water change rate, feeding information, fish population, equipment cleaning, notes/photo URIs, etc.

2. Local storage (offline): Records are stored in the device's database.

◆ Recommended for:

1. Aquatic enthusiasts who want to monitor fish growth through numbers and graphs.

2. Those who want to standardize water quality, water changes, and feeding routines for a multi-tank tank.

3. Those who want to keep a history of their setup, such as bettas, guppies, neon tetras, shrimp, and aquatic plants.

◆ Usage Tips

1. Consistently record weekly condition (water quality, cleanliness, and appetite) as a basic check → Quickly detect abnormalities.

2. Record water quality measurements, including pH, NO3, and water temperature → Identify seasonal and equipment effects.

3. Check water change rates and equipment cleaning dates in the home summary → Prevent routine errors.

4. Photos are especially effective in cases of disease or layout changes → Easy to trace the cause.