Nitrax is a biological filter that contains special microorganisms that break down poisons such as ammonium & nitrite and breaks down nitrate in your aquarium

natural ingredients make it ideal for sensitive dogs

Copper Sulfate

Omega-3: EPA & DHA

Added joint support and prebiotics ensure healthy development

KONG Wild Knots Bear Fun Dog Toy Nitrax is a biological filterKONG Wild Knots are soft and cuddly on the outside while durable and strong on the inside. Wild Knots bears are sure to be a hit with dogs and their pet parents. Dogs love the knotted skeleton, and the reinforced plush body provides extra durability. KONG Wild Knots have less stuffing for less mess and they squeak to entice play. Internal knotted rope skeleton satisfies dogs natural instincts Minimal stuffing for less mess Soft yet durable Colours are