Juwel Nitrax Filter Media for Aquariums Size:XLarge Great for throw and retrieve

Great for throw and retrieve games

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

super stretchy

this kennel mat is sized to fit perfectly in the most popular kennel sizes

adding a productive refugium

Juwel Nitrax Filter Media for Aquariums Size:XLarge Great for throw and retrieveThe 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