Sera O2 Test Kit size-20l delicious flavor for your fish

delicious flavor for your fish to enjoy

plus it blocks debris from entering a trickle chamber filled with C-Nodes that are super-charged for fast and efficient nitrification

Hill’s Science Diet Feline Adult Indoor contains highly digestible ingredients and natural fibre to support digestive health for easy litter box clean up

Now your fish can look as good as you expect

The tubes remain in position when the lid is removed

Sera O2 Test Kit size-20l delicious flavor for your fishQuick 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.