Sera O2 Test Kit size-38g The ActivAir T- Rex aquarium

The ActivAir T- Rex aquarium ornament is an air activated moving bubbler for your aquarium

A high protein (50%) diet

Fin and Tail Rot and other external bacterial diseases in fresh and saltwater aquariums

The perfect bracket for your FiltoSmart 60

Sera O2 Test Kit size-38g The ActivAir T- Rex aquariumQuick 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.