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Total Hardness Test (1 Reagent Drop Test)

Total Hardness Test (1 Reagent Drop Test)

20 ppm per drop. Typical accuracy +/- 20 ppm

Range 1-- to 600 ppm Calcium Carbonate (hardness)

Price: 6.25 (7.50 Including VAT at 20%)

20 ppm per drop. Typical accuracy +/- 20 ppm

Range 1-- to 600 ppm Calcium Carbonate (hardness)
Instructions

Remove the reagent KW-15 from test vial.
Fill the vial to the 10 ml line with water sample.
Add drops of KW-15 one at a time mixing between each addition.
Count the number of drops required for the colour to change from red/purple to pure blue.

Hardness = Drops KW-15 used x 20 (10 DROPS = 200 PPM CaCO3)

In SOFT WATER areas use a 20 ml sample.
Hardness = Drops KW-15 used x 10 (10 DROPS = 100 PPM CaCO3)

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