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Water hardness test strips (3 pieces)

Item number: 76221120

3 pieces Test Strips to Determine Water Hardness, Use: Immerse test strip into water sample (not in running water) for about 1 second shortly after removal (after about 1 minute), the test field coloration indicates hardness as follows: each red colored area corresponds to 5 ° dH. Hardness range 1: 00 - 04 ° dH 0.0 - 0.7 mmol / l Ca: very soft 2: 04 - 08 ° dH 0.7 - 1.4 mmol / l Ca: soft 3: 08 - 12 ° dH 1 , 4 - 2.2 mmol / l Ca: medium hard 4: 12 - 18 ° dH 2.2 - 3.2 mmol / l Ca: medium - hard 5: 18 - 30 ° dH 3.2 - 5.4 mmol / l Ca: hard 6: over 30 ° dH over. 5.4 mmol / l Ca: very hard

1,94 €

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Shipping time: 3 - 7 workdays



3 pieces Test Strips to Determine Water Hardness, Use: Immerse test strip into water sample (not in running water) for about 1 second shortly after removal (after about 1 minute), the test field coloration indicates hardness as follows: each red colored area corresponds to 5 ° dH. Hardness range 1: 00 - 04 ° dH 0.0 - 0.7 mmol / l Ca: very soft 2: 04 - 08 ° dH 0.7 - 1.4 mmol / l Ca: soft 3: 08 - 12 ° dH 1 , 4 - 2.2 mmol / l Ca: medium hard 4: 12 - 18 ° dH 2.2 - 3.2 mmol / l Ca: medium - hard 5: 18 - 30 ° dH 3.2 - 5.4 mmol / l Ca: hard 6: over 30 ° dH over. 5.4 mmol / l Ca: very hard
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