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For aquarium enthusiasts
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The sera O2 Test provides the actual oxygen content of the water within minutes and enables timely action. sera O2 plus quickly increases the content.
Rapid breathing at the surface of the water is a sure sign of a lack of oxygen. Unfortunately, it may already be too late to act.
The sera O 2 Test provides the actual oxygen content of the water within minutes and enables timely action. sera O 2 plus rapidly increases the content.
Sufficient for about 60 measurements.
The sera O2 Test provides the actual oxygen content of the water within minutes and enables timely action. sera O2 plus quickly increases the content.