SeaChem CoralCrete - Gray Underwater Epoxy Putty - 2oz

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Seachem CoralCrete is two-part epoxy putty that can be used to secure coral to rockwork or to fuse together rockwork for more stable foundations in reef aquaria. CoralCrete is ideal for securing somewhat larger, heavier frags, providing more support for branching coral frags and most large polyp stony corals.

CoralCrete has a working time of approximately 5 minutes which allows for plenty of work time while also quickly securing coral or rock. CoralCrete is safe for aquarium inhabitants when used as directed.


  • Epoxy adhesive for securing coral and rockwork
  • Cures submerged or emerged within 24 hours
  • Gray blends well with natural rock
  • Reef Safe