HM Digital AquaPro TDS - Handheld Drinking Water Quality TDS Tester

Always know what's in your drinking water...before you drink it! Some companies call them pens (they don’t write) and others call them testers, but essentially they are handheld instruments that offer the user a portable quick spot check device especially great for testing drinking water anywhere, anytime. There are many TDS meters on the market but many aren't precise or reliable, HM Digital is 100% reliable all of the time. We found that the HM Digital’s handhelds are the most consistent, easy-to-use TDS meters on the market that you can depend on. They also have a magnet on the back to place on your refrigerator to never lose them. Do you know what's in your water? Know the quality of your drinking water in parts per million (ppm) Test water anywhere, anytime. Know when you need to replace filters in your water purifier. Learn more about TDS, water contaminants and purity The HM Digital AquaPro AP-1 Handheld Water Quality TDS Tester is a handheld water quality meter. It measures