<h2>Crystal Clear Aquatics - Ceramic Reef Plugs 20 Tube Pack</h2><p>Advanced Aquaculture Ceramic Reef Plugs are specially designed to fit nicely into a small crevice or hole in your live rock as well as eggcrate&#046; Reef plugs are designed primarily to support Acropora, Montipora Digitata and other thin branching species of coral&#046; The top is about 1" in diameter and many will have a small divot at the top to hold a pool of glue where your frag can rest&#046; Ceramic plugs require no curing and will not leach anything into your water&#046;</p><ul><li>20 Tube Pk</li></ul>