Ceramic coral frag " HEX " . these are great to arrange in formation ( as shown in second picture ) to allow encrusting corals ( including zoas ) to spread over a large area

• 100% inert & reef safe.
• Do not have to be cured.
• Fired in a high temperature kiln, to nearly 2000 degrees.
• Ideal for fragging & propagation of hard & soft corals.
• White in colour, but will soon colour up to blend in with surroundings.