Seachem’s Coral Plugs offer a scientifically formulated solution for effectively mounting and nurturing coral fragments and colonies. Infused with calcium and magnesium, these plugs promote quick and secure growth for corals. They are ideal for both SPS and LPS corals, as well as soft corals, colonial polyps, and other sessile invertebrates. The design allows for a snug fit when used in various coral culture systems, facilitating the rapid spread of encrusting and colonial corals, like zoanthids, from one plug to another. This helps accelerate the timeline to produce new, viable colonies for sale or further integration into systems. For securely attaching fragments or colonies to each Coral Plug, utilize Seachem’s Reef Glue™. Updated, larger base design Stable base for newly cut corals and polyps Contains calcium and magnesium for swift growth Innovative shape supports the overgrowth of encrusting corals or polyps Sizes: 12 Plugs Instructions Apply a small amount of cyanoacrylate adhesive, such as Reef Glue, to one Seachem Coral Plug and hold the frag and plug together for 20 seconds. Coral Plugs can be positioned individually in the aquarium or arranged in a grid using egg crate.