Error! You must have javascript enabled to use this form. Please enable Javascript in your browser. How to Use the HealthyWiser TDS Meter for Testing Coffee Testing the total dissolved solids or TDS in coffee is always needed to make sure that the drinker gets the right extraction levels for the coffee. View full press release Your Name: Your Email: To Email: To BCC: Subject: Comments: We respects your privacy, the information you entered above will not be used to send unsolicited email, and will not be rented or sold to a 3rd party. Your contact information will be shared with the recipient of this message - Privacy Policy Send