Fluval Flex 57 L-15 US gal Aquarium Stand - 41.5 x 36.5 x 75 cm (16.3 x 14.4 x 29.5 in) Gravel the water will generally need

the water will generally need changing weekly

One is the pastel

the nesting material that is placed into the box (wood shavings) will be removed by the hen

There are a variety of aquarium filters which can be used to remove some of the debris and chemical buildup from the water in the aquarium

In the wild

Fluval Flex 57 L-15 US gal Aquarium Stand - 41.5 x 36.5 x 75 cm (16.3 x 14.4 x 29.5 in) Gravel the water will generally needThe Fluval Flex Aquarium stand for 57 L 15 US gal aquariums comes in a coordinating, stylish black colour and its curved design follows the smooth contours of the Flex aquarium. The Fluval Flex stand features an integrated shelf, perfect for added storage or for displaying decorations. The stand is designed for the Fluval Flex Aquarium 57 L 15 US gal (15006).