
Sera O2 Test (Oxygen)
For the simple determination of the oxygen content in fresh water
Rapid breathing at the water surface is an unmistakable sign of oxygen deficiency: unfortunately, it may then be too late to intervene.
The sera O 2 -Test shows the actual oxygen content in the water within a few minutes and allows for timely intervention. A quick increase can be achieved with sera O 2 plus.
Sufficient for approx. 60 measurements.
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