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With this kit is possible to measure the hardness of water and to determine the level of limestone that is in the water.
Instructions
1. Rinse test tube with the water to be analysed.
2. Fill test tube with the water to be analysed up to the 5 ml mark.
3. Add Titrant drop by drop mixing after each addition.
Count the drops to the colour change from red to green. According to the Titrant used, in a 5 ml sample each drop corresponds
to half the value indicated on the bottle, in a 10 ml sample each drop corresponds te half the value indicated on the bottle.
