Bimetallic Strip Demonstration, Single Piece Non-Jointed Bimetallic Strip Of With Wooden Handle, The Metals Are Distinct And Visible. An Improved Version Of The Rivetted Form. Metals Are Copper And Steel.
These mulit-parameter test strips test for five water quality measurements on 1 strip: Free Chlorine, Total Chlorine, Total Hardness, Total Alkalinity, and pH (6.2 - 8.4). 50 test strips.