Fluval U Series Internal Filters Internal Filters Use Reef Builder to raise

Use Reef Builder to raise carbonate alkalinity without affecting pH

The Fluval U range really is a fantastic option for your tank

Regular maintenance and timely replacement of components like the impeller are essential for the longevity and performance of your aquarium equipment

light wood and dark wood

provided the unit is not allowed to dry out

Fluval U Series Internal Filters Internal Filters Use Reef Builder to raiseThe Fluval U series filters offer outstanding 3 stage filtration with Biomax, for increased water quality, movement and vital aeration. These filters are ideal for when external filtration cant be used. Fluval U filters can be used as a primary filter for smaller aquariums or a supplementary filter for larger aquariums. They can be positioned either horizontally or vertically to suit your aquarium. In addition to the position adjustment the Fluval U2,