
The best thing I can do is change the water I bought to another one with less chemicals. I am considering buying to calibrate it. Must do this monthly. The water seller told me.

Accurate And Versatile Digital PH Meters For Food, Brewing, Hydroponics, Pools And More!
7 Review

Efficiently Test Your Antifreeze And Battery Acid With A 3-In-1 Refractometer
18 Review

π― Honey Refractometer with Automatic Temperature Compensation (ATC) - Tiaoyeer Moisture, Brix, and Baume Refractometer for Honey, 58-90% Brix Scale Range - Honey Moisture Tester
31 Review

TDS water quality tester - TDS water hardness meter (portable digital salt meter for water analysis)
9 Review