Product #: 9.
Roving Blue® ozone generators need a little conductivity in the water to work well. Make sure that it is working within its designed parameters with this nifty little digital meter. Works in seconds and gives water parameters of Temperature (C and F displayed), Conductivity, and TDS (Total dissolved solids) Roving Blue devices work best in TDS from 50 to 300.
No extra shippig to order one of these when you purchase any of our ozone generators.