Aquarium Gravel Rock Rare – What are they?
• Description: Gravel and live rock in an aquarium serve as decorations and also as biological filters. • Who Needs These? Fish lovers need gravel and rocks for the aquariums they have for keeping plants and also to decorate the aquarium. • Why Do You Need These? You will need gravel to keep plants in the aquarium and as a filtration medium for under gravel filters. Live rocks are used in saltwater aquariums as a biological filter. • Types: Gravel comes in different sizes and colors. There is natural as well as artificial gravel. Live rock is differentiated by the way it was formed and the place it originates from. • Benefits: Gravel serves as a decoration and filtration medium. Live rock has bacteria and algae that control the nitrate content in the aquarium.
