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.
Cost: | $25 |
Free Shipping: | We offer free shipping on orders over $30. Please check the free - shipping eligibility at checkout. |
Delivery Time: | It usually takes [3-5] business days for standard shipping. Please note that this is an estimated time frame and may be affected by local holidays, and unforeseen circumstances. |
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