This item is sourced upon request. Payment is pre-authorized and only charged upon fulfillment. Delivery starts from 7 business days, subject to availability.
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.
Made in Germany
Size:
15ml
*Product image and information are correct at the time of publishing on this website. For the most accurate information and image, please refer to the actual product.
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