HM Digital Meters - ECONOMY TDS METER; 0-9990 PPM
✔️ For testing Mineral content in all water including Reverse Osmosis Water.
✔️ The perfect tool to test to see if your Reverse Osmosis Drinking Water System membrane replacement.
✔️ The video shows how to use a TDS meter to test your membrane.
Product Number R/O TDS-EZ