100ct Total Hardness Water Quality Test Strips, Easy to Distinguish, A Must Have For Home Use with 100% Money Back Guarantee. The Total Hardness Test Strips test for calcium and magnesium(results as calcium carbonate), which are the two minerals that primarily make up hardness in water. Soft water below 80ppm - forms suds with soap easily. Hardness greater than 80ppm - Detergents with softening agents are not completely effective in cleaning. Hardness greater than 120ppm - Some scaling will occur in pipes and appliances. Hardness greater than 250ppm - Dishwasher impossible to use without producing film on dishes. Ideal for water filter system, fish tank(aquarium), pools, spas, laundry, cloth diaper, dishwasher, industrial processes, educational experiments, and for homeland security applications etc. Features: *Upgraded color chart from green to red, easy to compare and distinguish. *Total 100 strips for frequent test and longer time use. *Accurate and Reliable. Specifications: Total Hardness Testing- Calcium and Magnesium levels in water(results as CaCO₃) Measuring Range: 0-425mg/L(ppm-parts per million), or 0-25gpg(grams per gallon) Color Chart Indicators: ppm 0, 25, 50, 120, 250, 425 and gpg 0, 1.5, 3 7, 15, 25 How to use? 1.Dip a test strip pad into water for 2 seconds. 2.Remove and shake off excess water. 3.Wait 40 seconds, then match the strip pad color to the color chart. Includes: 100 x test strips 1 x dessicant in bottle 1 x packing bottle 1 x packing color box
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