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Filter Builders: An Ion Exchange Lego Lab

Workshop Description: Snap into water chemistry with this hands-on workshop where we explore the compounds and ions commonly found in water—like calcium, magnesium, and sodium. Piece-by-piece, learners will see how minerals move through filters like ion exchange cartridges. We will also talk about why the coffee industry wants to manage minerals in water that is already safe to drink. Whether you are a technician, barista, or just curious about what’s happening inside your water filter, this session helps build clarity—literally. Come ready to stack knowledge and connect the dots on how filters manage minerals.

Following this workshop, attendees should be able to:

1. Identify compounds typically found in tap water

2. Define and list components that contribute to the total hardness of a water

3. Define and list components that contribute to the temporary hardness of water

4. Define and list components that contribute to alkalinity

5. Describe what happens inside of an ion exchange water filter cartridge

Date: Saturday, April 11, 2026
Time: 1:30 p.m. - 3:30 p.m.
Room Number: 30 C
Category: Science

REGISTRATION FEES:

EARLY BIRD Regular* - $250
EARLY BIRD Paid Member* - $210
Regular - $275
Paid Member - $230

*Early Bird pricing ends March 1, 2026

Booking: To book your place in this Workshop, head to the World of Coffee San Diego Registration & Booking Portal and add a session to your order. Already registered? Simply login using the credentials created at purchase to access your booking and add other paid events to your badge.

BOOK NOW >


Instructor

Ben Helt

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April 11

Strength vs. Extraction: Understanding What You’re Tasting

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April 12

Introduction to Cupping