Free to use - no credit card required

Your Reef Tank, Crystal Clear

Log water tests in seconds, visualize chemistry trends, manage livestock, and never miss a maintenance task. The all-in-one dashboard for reef keepers who care about their corals.

Trusted by reef hobbyists tracking thousands of water tests

Seconds

To log a full water test from your phone

10+ Params

Track Alk, Ca, Mg, NO3, PO4, pH, salinity, and more

Zero Cost

Free to use with all core features included

Everything Your Reef Needs

From water testing to livestock management, Myreeflog gives you the tools to keep your saltwater aquarium healthy and thriving.

Quick Water Logging

Log alkalinity, calcium, magnesium, nitrate, phosphate, and more in seconds. Mobile-friendly forms make test day a breeze.

Interactive Trend Charts

Visualize your water chemistry over time with beautiful, interactive charts. Spot trends before they become problems.

Livestock Inventory

Track every coral, fish, and invertebrate in your tank. Record purchase dates, placement, growth, and health status.

Smart Maintenance Reminders

Never miss a water change, filter cleaning, or dosing schedule. Set custom reminders that keep your tank on track.

Parameter Targets & Alerts

Define ideal ranges for every parameter. Get notified instantly when a reading falls outside your target zone.

Multi-Tank Support

Managing more than one tank? Track parameters, livestock, and maintenance schedules separately for each system.

Up and Running in Minutes

No complicated setup. Start tracking your reef parameters right away.

1

Add Your Tank

Create a profile for your aquarium with tank size, equipment, and setup details. Takes less than a minute.

2

Log Your Tests

Enter water test results from your phone or desktop. Supports all major parameters - Alk, Ca, Mg, NO3, PO4, pH, and more.

3

Watch Your Reef Thrive

Review trends, get alerts when parameters drift, and stay on top of maintenance. Your reef will thank you.

Built for Every Reef Keeper

Whether you have a nano cube or a 300-gallon mixed reef, Myreeflog adapts to your workflow.

Casual Reefers

Log your weekly tests in seconds and let the charts tell you if anything needs attention. Simple, no fuss.

Serious Hobbyists

Track every parameter, manage your coral collection, and fine-tune dosing with trend data at your fingertips.

Coral Farmers

Manage multiple systems, track growth across frags, and keep detailed records for every tank in your operation.

Frequently Asked Questions

What water parameters can I track?

You can track all common reef parameters including alkalinity, calcium, magnesium, nitrate, nitrite, phosphate, pH, salinity, temperature, ammonia, and more. You can also add custom parameters specific to your testing routine.

Can I use this on my phone?

Absolutely. Myreeflog is fully responsive and works great on any device. Log your test results right at the tank without needing to sit down at a computer.

How many tanks can I track?

You can track multiple tanks, each with their own parameter history, livestock inventory, and maintenance schedules. Perfect if you run a frag tank alongside your display.

Is my data safe?

Your data is securely stored and backed up regularly. We use industry-standard encryption and authentication to keep your information protected.

Do I need to create an account?

Yes, a free account is required so your data is saved and accessible from any device. Signing up takes just a few seconds with your email address.

Can I export my data?

Yes. You can export your water parameter history and livestock records at any time. Your data belongs to you.

Stop Guessing, Start Tracking

Your corals deserve better than a paper notebook. Join Myreeflog and take control of your reef's water chemistry today.

Create Your Free Account