T-Rex Rocky Shoals Aquarium Background/Filter - 10 Gallon

Rocky Shoals is a genuine two-in-one: a realistic rock-face aquarium background and, when connected to an air pump (sold separately), a high-surface-area biological filter. Anchor live aquatic plants or artificial décor directly into the foam to create a natural-looking aquascape.

Pre-fitted lift tubes and air diffusers make it easy to convert Rocky Shoals into an efficient biological filter supporting up to 1 inch of small-to-medium fish per gallon, with regular water changes. It works just as well as a background alone, without a pump. Ideal for small fish under 4 inches, aquatic frogs, tadpoles, newts, freshwater shrimp and planted tanks.

• Dual-purpose background and biological filter
• Pre-fitted lift tubes and air diffusers
• Works with or without an air pump
• Fits standard 10-gallon aquariums (20"L x 4"D x 11"H)