Medium Structures

The core of your aquascape.
Our Medium Collection features sturdy arches, caves, and bases ranging from 10 to 16 inches. These pieces are the "Goldilocks" choice—engineered to serve as the primary structure for standard home aquariums, providing instant depth and stable swimming channels.

Best For:

  • Standard Tanks: The go-to size for 20 Long, 29g, and 40 Breeder tanks.
  • Open Layouts: Creates distinct islands and caves for fish territories.
  • Mixed Reefs: Balanced shelf space for LPS and SPS corals.

Size Range: 10" - 16" Height