| Dupla Test pH 4-10, pH-value, 10 ml |
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Test for measuring the pH-value in freshwater and seawater. |
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| Dupla Test GH, 10 ml |
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Test for measuring the total earth alkalis in freshwater (total hardness). |
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| Dupla Test KH , 10 ml |
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Test for measuring the carbonate hardness in freshwater and seawater. |
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| Dupla Test pH 6,0-7,2, 10 ml |
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Test for measuring the pH-value in the range 6.0-7.2 in freshwater and seawater. |
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| Dupla Test pH 7.3, 10 ml |
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Test for measuring the pH-value in the range 7.3 – 8.5 in freshwater and seawater. |
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| Dupla Test Fe, 15 g |
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Tests the iron content in freshwater and seawater. Indicates the content of bivalent iron. |
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| Dupla Test NO2, 15 g |
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Test for measuring the nitrite content in freshwater and seawater. |
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| Dupla Test NO3/NO2, 12 g |
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Test for nitrate and nitrite content in freshwater and seawater. |
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| Dupla Test PO4, 2x10 ml |
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Test for measuring the phosphate content in freshwater and seawater. |
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| Dupla Test Ca, 3x10 ml + 1g |
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Test for measuring the calcium content in freshwater and seawater. |
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