Fluval U3 internal filter CO2 A complete 2 Part dosing

A complete 2 Part dosing system

Extra nitrate is mainly added in planted aquariums with many plants and few fish

Formaldehyde or Formalin

​Our Mini Grazers are highly stable in water

Fluval U3 internal filter CO2 A complete 2 Part dosingOffering outstanding 3 stage filtration, increased water movement and vital aeration, Fluval U Series internal filters are the perfect solution where external filtration is not possible. Features Designed for aquariums up to 110 L Use as a primary filter for smaller aquariums, or supplementary filter for larger aquariums Position horizontally for shallow tanks, larger tanks with low water levels, or to create a decorative waterfall feature Position