The best meter digital water tester is a handy tool that comes in need when you want to measure the Total Dissolved Solids (TDS) in your water. It can also measure the amount of mobile charged ions in the water, including salts. It’s the perfect equipment to use during all water purification applications, aquaculture, wastewater regulation, colloidal silver, hydroponics, among others. It’s because of these practical benefits that this tool has gained a lot of fame.