We produce high-tech solutions in the field of water purification

CHIM-1 – Water Hardness Test Kit with reagent


Water hardness is a quantitative measure of the total content of Calcium and Magnesium ions present in a water sample. The CHIM-1-TEST is a water hardness Test Kit that determines total hardness in water via a titrimetric method. Calcium and magnesium form a complex with EDTA and the reaction end-point is indicated by the change in color of the indicator from red to blue.

SKU: CHIM-1-TEST Categories: ,


A 5ml. sample of water to be tested is placed in the plastic vessel supplied. Drops of the test reagent are added until the color of the sample turns pink and then blue.

Each drop added until there is the color change to blue equals to 1French Degree of Hardness (for example 19 drops added till the sample turns blue means that the water tested has a hardness of 19 French Degrees).

Conversion for water hardness is as follows:
1 ppm=1 mg/L=0.1 French=0.0556 Deutch=0.07 English

Additional information

Weight.100 kg
Dimensions100 × 70 × 30 mm

Aqua Pro


There are no reviews yet.

Be the first to review “CHIM-1 – Water Hardness Test Kit with reagent”