They can also be kept in a larger aquarium to act as a seeded filter which can be moved to a separate hospital tank as required.

These simple filters provide a perfect home for beneficial bacteria whilst also removing particles and oxygenating the water.

They only require an air supply from a standard aquarium air pump to operate and maintenance is incredibly simple.

They are an ideal option for fry tanks, shrimp tanks and other breeding setup. 

For cleaning simply squeeze the sponge in a bucket of aquarium water.

When first using these filters they should be squeezed in the aquarium to remove any trapped air in the sponge