Sera Oxygen (O2) Test Kit 0.5oz 15ml


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Sale price$19.99

Description

Quick breathing at the water surface is an unmistakable sign for an oxygen deficiency. Unfortunately, it may then already be too late for acting appropriately. The sera O2-Test monitors the actual oxygen level in the water within minutes and allows for acting in time. sera O2 plus provides quick oxygen supply. Sufficient for approx. 60 measurements.

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