4.8 (548) · € 25.99 · En Stock
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.
Sera Oxygen-Test (O2) 0.5 fl.oz.
Griffin Hoins – 2023 NPS Our World – Underwater Scholarship Society®
API Freshwater PH Test Kit
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sera aqua-test box (Cu)
Contains one (1) API PH TEST KIT 250-Test Freshwater Aquarium Water pH Test Kit, including 1 bottle of testing solution, 1 color card and 1 test tube
API PH TEST KIT 250-Test Freshwater Aquarium Water pH Test Kit, 4 Piece Set
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