Fluval BioMax U2 / U3 / U4 size-150-watt Puppy rubber bone chew and

Puppy rubber bone chew and treat dispensing toy with rope

Use at start-up and whenever adding or replacing water

Made using all-natural ingredients

so your best friend will always have a winning grin

Soothing without stinging

Fluval BioMax U2 / U3 / U4 size-150-watt Puppy rubber bone chew andFluval U2 U3 U4 Biomax 110G Fluval BioMax provides an optimal environment for the colonization and growth of beneficial bacteria. The unique bio rings have a complex pore system that provides an optimal environment where beneficial bacteria can thrive. Fluval BioMax also reduces and controls ammonia and nitrate. Provides an optimal environment for the colonization and growth of beneficial bacteria (biological filter media) Unique bio rings have a