Buy Sera Test O2 -Oxygen (Freshwater Only) | Fine Pebble Aquarium

Sera Test O2 -Oxygen (Freshwater Only)


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Makes it easy to monitor the chlorine level in fresh and marine water.

Chlorine is immediately removed by sera toxivec or sera pond toxivec.

sera aquatan or sera KOI PROTECT make the water fish friendly.

Sufficient for approx. 45 measurements.


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