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Velda - Aqua Test Strips
FromVelda B.V.
Using Aqua Test Strips you can determine quickly and simply the 6 most important water values in ponds and aquariums: the acidity, the total hardness, the carbonate hardness, the nitrite, nitrate and chlorine content.
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Suitable for: pH, GH, KH, NO2, NO3, Cl2
- Submerse the test strip for 2 seconds in the water that requires testing.
- Do not shake off water and wait 10, 15, 60 seconds (see colour scale).
- Subsequently compare the colours of the strip with the colour scale on the shaft.