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Total Hardness Test (2 Reagent Drop Test)

Total Hardness Test (2 Reagent Drop Test)
Total Hardness Test (2 Reagent Drop Test)  - view 1Total Hardness Test (2 Reagent Drop Test)  - view 2Total Hardness Test (2 Reagent Drop Test)  - view 3

10 ppm calcium carbonate (hardness) per drop. Typical accuracey +/- 10 ppm

Red is hard water, blue is soft water.

10 drops is 100 mg/l (ppm) CaCo3.

Price: 10.40 (12.48 Including VAT at 20%)

10 ppm calcium carbonate (hardness) per drop. Typical accuracey +/- 10 ppm

Red is hard water, blue is soft water.

10 drops is 100 mg/l (ppm) CaCo3.

Instructions:

Fill the test vial to the 20 ml line
Add 5 drops of KW13 adn swirl vial to mix
Add reagent KW14 on edrop at a time*
Count the number of drops required fro teh sample to change colour from red to pure blue

Hardness as ppm CaCO3 = drops KW14 used x 10 (Eg 10 drops = 100 ppm CaCO3)

In very hard water areas: Use 10 ml sample with 3 drops of KW13. Multiply drops of KW14 used x x20 (eg 10 drop = 200 ppm CaCO3)

* When adding KW14, hold the dropper bottle vertical (NOT INCLINED). Allow drops to form slowly and drop off under their own weight. Apply gentle pressure to encourage drop formation.

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