Fluval U Series Internal Filters Internal Filters Regular maintenance and timely replacement

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

Use Reef Builder to raise carbonate alkalinity without affecting pH

carotenoid pigments (astaxanthin

provided the unit is not allowed to dry out

Fluval U Series Internal Filters Internal Filters Regular maintenance and timely replacementThe 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,