Thanks Ted... Didn't know if it may tell Ph and things like that. I did buy a Goldline digital salt tester and test strips. I also use a test kit to check ph, alk, hardness and chlorine. I had to replace the cell so I did so with an Aqua Rite turbo cell glx 15W. I was told they made all the products for Mineral Springs and it works great. Yea, and for half the price. One more thing. Is it possible to change the display from standard to metric? My friend was messin with it while I was at work and the numbers make no sense anymore. My mineral count was 3000 and now it says 2.8. Didn't know if it was reading by grams per liter or something. Thanks again Ted