Nyos Reef Cement 500ml

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Can be used above and below water. Not harmful to corals or fish. Attachment of corals, columns, reef structures, etc. Corals can be attached on the reef structure either as over-h anging or free-standing corals. Is soon overgrown with coralline red algae. Directions3 parts Reef Cement, 1 part water. Binds within 2 minutes. Show more