2-5 DAYS DELIVERY
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h2oitaly
Total hardness kit (1°F)
€18,96
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Categories: Tester and rapid kit for analysis
100% ORIGINAL AND QUALITY
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TOTAL HARDNESS Direction for use
1. Rinse the measuring vessel with the water to be tested and fill up the 5ml. mark.
2. Add 1-2 drops of indicator and swirl. In presence of hardness higher than 3 ppm CaCO3 a wine red colour will appear (A blue color indicates absence of hardness. With hardness lower than 3 ppm the colour of the sample shifts from violet. to grey to pink).
3.Add titrant drop by drop, mixing after each addition. Count the drops until the colour changes from red to blue. Each drop correspondes to 1°fr degree (1°fr= 10 ppm CaCO3).
4.For softened water, fill the vessel to the 10ml. mark and add 2-4 drops of indicator. Each drop of titrant corresponds to 0,5°fr degrees.
1. Rinse the measuring vessel with the water to be tested and fill up the 5ml. mark.
2. Add 1-2 drops of indicator and swirl. In presence of hardness higher than 3 ppm CaCO3 a wine red colour will appear (A blue color indicates absence of hardness. With hardness lower than 3 ppm the colour of the sample shifts from violet. to grey to pink).
3.Add titrant drop by drop, mixing after each addition. Count the drops until the colour changes from red to blue. Each drop correspondes to 1°fr degree (1°fr= 10 ppm CaCO3).
4.For softened water, fill the vessel to the 10ml. mark and add 2-4 drops of indicator. Each drop of titrant corresponds to 0,5°fr degrees.
We ship with BRT Express Courier, guaranteeing delivery within 2-5 days throughout Italy.
