ReefDiary is the ultimate companion for saltwater and freshwater aquarium hobbyists.
Whether you manage a vibrant coral reef, a nano tank, or a freshwater community, ReefDiary makes keeping your aquarium healthy and thriving easier than ever. Track water parameters, log maintenance tasks, inventory your livestock, and get intelligent insights—all in one beautiful, easy-to-use app.

Key Features:
Track Water Parameters
Log test results for over 20 parameters including Salinity, pH, Alkalinity, Calcium, Magnesium, Nitrate, and Phosphate. Visualize trends with interactive charts to spot issues before they become problems.

Powered Reef and Aquarium Insights
ReefDiary doesn't just store data; it analyzes it. Get smart recommendations based on your water chemistry trends. Know exactly when parameters are drifting out of range and get actionable advice on how to correct them.

Task Management & Reminders
Never forget a water change or filter cleaning again. Create custom maintenance schedules with recurring reminders. Track your dosing regimen and stay on top of your tank's needs.

Livestock & Equipment Inventory
Keep a detailed photo log of your fish, corals, invertebrates, and equipment. Track growth, costs, and installation dates.

ICP Analysis Integration (Pro)
Take your reef keeping to the next level. Upload PDF or image reports from major ICP labs (ATI, Triton, etc.) directly into the app. Analyze and archive your professional lab results in one secure place.

Secure Backup & Export
Your data is safe with ReefDiary. Use automatic local backups or export your entire history for safekeeping or transferring devices.

Why ReefDiary?
Built for Hobbyists: Designed by reefers, for reefers.
Offline First: Access your data anytime, anywhere, even without an internet connection.

Privacy Focused: Your data stays on your device unless you choose to share it.
Download ReefDiary today and build the aquarium of your dreams!