Ratdog Water Chemistry Lab Monthly Membership

Explore the science of coffee water. Ratdog Water Chemistry Lab is a dedicated resource for specialty coffee enthusiasts, baristas and roasters who want to understand how water chemistry influences their coffee. [Click here to enter Ratdog Water Chemistry Lab]

Your membership gives you access to a growing collection of specialty coffee profiles, a water chemistry calculator, and community contributed water recipes. Explore different mineral compositions, compare recipes, and develop a deeper understanding of how water and coffee interact.

What’s included

1. A purpose-built water chemistry calculator, built around Ratdog’s carefully developed stock solution standards, refined through repeated experimentation to provide a consistent and practical approach to mineral dosing.

2. A very well-developed coffee database featuring origin, producer, variety, altitude and processing information, where available.

3. A collection of water recipes to explore, compare and use as references when developing your own brewing water.

4. A growing library of coffee profiles and community-contributed recipes, bringing together different coffees, water compositions and brewing approaches to inspire your own experiments.

How to active my membership?

Please enter your correct email address at checkout. Your email will be used to send your membership invitation and grant you access to the Water Chemistry Lab. 

After purchase, you will receive an email invitation to activate your account. Once your account is activated, you can log in anytime by entering your email address on our website. We’ll send you a secure login link by email, so there’s no need to remember a password.

This is a digital membership. No physical product will be shipped.