Windows and Hard Water in Phoenix, Arizona.
What is TDS? I’ll share what I’ve read and learned. TDS stands for Total Dissolved Solids. TDS meters test for inorganic salts, organic matter, and minerals like calcium, magnesium, potassium, and sodium. Here are some numbers – Distilled Water: 0-5 ppm Reverse Osmosis Water: 5-30 ppm Tap water in Flagstaff, Arizona: 100-300 ppm Tap water
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