Juwel Nitrax Nitrate Remover Stool & Odour Reduction they are specially made for

they are specially made for the hyper fetch toy

* 2 pulsing modes

Juwel charcoal filters absorb odour compounds and turbidity as well as toxic compounds

proven to support brain development and help promote puppies' learning during early training

Juwel Nitrax Nitrate Remover Stool & Odour Reduction they are specially made forNitrax M Juwel Nitrax M Compact Nitrate Sponge for Bioflow M (3. 0). The sponge is designed to reduce nitrate levels in the aquarium. This in turn helps reduce the amount of algae and helps provide a more healthy aquarium for your fish and plants. Nitrax is also a biological filter containing specialist microorganisms to break down poisonous metabolites in the aquarium. It's recommended to change the Nitrax sponge every 2 months for optimum