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Water Quality Tester

Water Quality Tester

October 13, 2007

I have lived in Ireland since 1994 and have watched the water get worse every year. I use a TDS-3 meter to reach my conclusions. When living in Greystones, the TDS reading rarely went above 70. Last week, I recorded several TDS readings above 300 in Cashel, County Tipperary, Ireland. That means I am consuming water that contains nearly five times more solids than before, but that I am still below the US Environmental Protection Agency's maximum contaminant level of 500 ppm..

Total Dissolved Solids (TDS) are the total amount of mobile charged ions, including minerals, salts or metals, dissolved in a given volume of water. TDS, which is based on conductivity, is expressed in parts per million (ppm) or milligrams per liter (mg/l). TDS includes any conductive inorganic element present other than the pure water molecules (H2O) and suspended solids.

For people, the lower the TDS level in the water you drink, the more efficiently your body's cells are hydrated. The higher the TDS level in water, the greater the probability of harmful contaminants that can pose health risks or hinder the absorption of water.

You can get your own TDS meter from HM Digital or many electronics shops.