SAVE 15% SaltwaterAquarium Modular Black Egg Crate For Aquariums (ONE PIECE, 6" x 12" Rectangle) - Generic $3.39 $3.99 $3.99 ONE PIECE of Black Egg Crate for Aquariums. Modular - Each section of egg crate has built in connectors to secure multiple pieces together to create a larger section. The perfect solution to place underneath your live rock str