Log Parameters
Effortlessly save key parameters with our user-friendly web app.
Analyse & Trends
Track trends, gain insights, add notes and understand changes in key elements of your aquarium.
Reef Science
Contribute to an open-source dataset enabling new research.

Your Data, Your Way!
Unlike others, we empower you to fully control your data. We clean, save, and optimize it, so you can use it however you like.
Export all your data anytime and easily import it into spreadsheets.
Access your data via our public API to embed it in your website or any other application.
Share what you want with just a link—it's that simple.
Open Source
The Reef Log is an Open Source project designed for collaboration. It's all here.
Missing a feature? Open a request, or better yet, add it yourself and help the entire reefing community.
Actively developed, with open contributions. Join in shaping the app by contributing to the development roadmap.
We're committed to advancing open research by sharing all our anonymized data with universities and researchers worldwide.

Frequently Asked Questions
Is The Reef Log free?
Yes, it's completely free! Register now and get started immediately. Still not sure? Take a look at our demo.
What's coming up next?
The Reef Log is still evolving, with many new features on the way. Even in its current form, we believe it offers a better alternative. We embrace open development, so the sooner you start using it, the sooner we can gather your feedback and build the tool we all need.
Is my data safe?
Absolutely. Your data is securely stored in the cloud using enterprise-level best practices. Plus, our development is transparent—you can see exactly how your data is stored and accessed, so you can verify for yourself.
Can Machine Learning/Artificial Intelligence really benefit from hobbyist data?
Definitely. I work in AI/ML. The key missing piece is a rich, open dataset, and that's what we're aiming to build. But we need your help—the more people use The Reef Log, the more we can empower research.
Get In Touch
Please fill out the following form and we will get back to you shortly.
Email Address: