| Sera Test Cu Copper for the exact determination of the copper content in the aquarium water. The test is sufficient for approx. 50 test. Tap water often contains copper from the piping. Copper is very toxic to fish and microorganisms. Therefore, the tap water (which may contain different copper concentrations from day to day) should be checked by means of the sera copper-test before use. |
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Sera Test Cu Kupfer