Juwel Nitrax Filter Media for Aquariums Size:XLarge Hide your dog’s favourite dry

Hide your dog’s favourite dry treat inside the borrow for added enjoyment

Dimensions: 30 x 30 x 27 cm

It's playful back and forward motion entices natural hunting instincts

adding a productive refugium

then dry and apply it immediately thereafter

Juwel Nitrax Filter Media for Aquariums Size:XLarge Hide your dog’s favourite dryThe Juwel Nitrax Filter Media for Aquariums reduces nitrate levels in your aquarium, resulting in significantly less algae growth. Nitrax is a biological filter that contains specialized microorganisms that break down poisonous metabolites (ammonium nitrite) in your aquarium, lowering the risk of fish mortality and also promoting plant growth. Nitrax also reduces algae growth by anaerobically breaking down nitrate, thereby enhancing your fish's