Manage YourAquariumwith Ease
Monitor water quality, track livestock, schedule water changes, and keep your fish healthy with our comprehensive aquarium management platform.
Everything You Need to Manage
Your Aquarium
Powerful features designed to make aquarium care simple, effective, and enjoyable
Water Quality Monitoring
Track pH, ammonia, nitrite, nitrate levels and get alerts when parameters are out of range.
Smart Reminders
Never miss feeding times, water changes, or filter maintenance with intelligent notifications.
Analytics & Insights
Visualize trends in water parameters and fish health over time with detailed charts.
Track your Livestock and Equipment
Document your aquarium journey with photos and track the growth of your fish and plants.
Maintenance Scheduler
Plan and track all aquarium maintenance tasks with our comprehensive calendar system.
Budgeting & Cost
Know what you spend by tracking your purchases

Track Water Qualityin Daily, Weekly Monthly
Monitor all critical water parameters with ease. Get instant alerts when values drift out of safe ranges, and view historical trends to better understand your aquarium's ecosystem.
Comprehensive Testing
Track pH, ammonia, nitrite, nitrate, hardness, and temperature
Historical Data
View trends and patterns over weeks and months
ReefDiary Intelligence
Receive notifications when parameters need attention

Never ForgetMaintenance Tasks
Stay on top of your aquarium care with intelligent reminders for feeding, water changes, filter cleaning, and more. Customize schedules for each tank you manage.
Custom Schedules
Set up feeding times, water changes, and maintenance tasks
Push Notifications
Get timely reminders directly to your phone
Task History
Track completed tasks and maintain a care log
Get Started in Minutes
Start managing your aquarium like a pro in just minutes
Create Your Account
Sign up for free in seconds and get instant access to all features.
Set Up Your Tank
Add your aquarium details including size, type, and the species you keep.
Start Tracking
Log water parameters, feeding schedules, and maintenance tasks as you go.
Maintain Excellence
Follow smart recommendations to keep your aquarium thriving and your fish healthy.
Choose the plan that grows with your hobby or business
Free is for hobbyists, Serious Reefer is for power users, and Enterprise is built for shops, farms, and public aquariums.
Monthly billing • cancel anytime
Free Forever
Free
Singles tanks, nano reefs, beginners.
Perfect for hobbyists getting started with ReefDiary.
- 1 active tank
- Basic water parameter tracking
- Track up to 10 livestock items
- 7-day history & reminders
Serious Reefer
Serious Reefer
Who doesn't tell their spouse what the hobby actually costs.
Unlock every premium feature ReefDiary offers.
- Unlimited tanks & inhabitants
- Advanced analytics + trend alerts
- Smart dosing + maintenance scheduling
- ICP import & PDF exports
- Email + AI chat support
Enterprise
Enterprise
Retail stores, aquaculture facilities, universities.
Purpose-built for shops, coral farms, & public aquariums.
- Unlimited tanks & inhabitants
- Advanced analytics + trend alerts
- Smart dosing + maintenance scheduling
- ICP import & PDF exports
- Email + AI chat support
- Unlimited locations & staff seats
- Inventory + expense dashboards
- Bulk livestock import/export
Why upgrade to Serious Reefer?
Serious Reefer keeps you ahead of issues with proactive monitoring, automation, and premium analytics. Everything below is included with both monthly and yearly billing.
Unlimited Tanks & Livestock
Track every system, frag tank, or grow-out tray in one place.
Deep Analytics
Spot trends early with rolling averages, alerts, and insights.
ICP + Compliance
Upload ICP results, generate PDF reports, and stay audit-ready.
Collaborate with Teams
Invite staff, assign roles, and keep everyone on task.
Need something custom?
Scale with ReefDiary Enterprise
From wholesale coral operations to university labs, Enterprise is built for teams that need to scale across locations with the right tools and workflows.
Why upgrade to Enterprise?
Enterprise adds the workflows teams need to operate across locations and keep inventory and staff aligned.
Multi-location & multi-shop
Run multiple stores/areas (sales floor, warehouse, quarantine) with clean organization.
Staff collaboration
Invite staff and manage who can do what—without sharing logins.
Inventory operations
Track inventory, move stock between locations, and stay ahead of shortages.
Reporting-ready
Exports and PDFs to support process, training, and internal reporting.
Ready to Transform
Your Aquarium Care?
Join thousands of aquarium enthusiasts who trust ReefDiary to keep their aquatic ecosystems healthy and thriving.

