Biologically and mineralogically complete sand substrate for saltwater aquariums. Contains specially engineered bacteria to suppress "new tank syndrome". Discourages nuisance algae. Never needs replacement.

Biologically and mineralogically complete sand substrate for saltwater aquariums. Contains specially engineered bacteria to suppress ";new tank syndrome";. Discourages nuisance algae. Never needs replacement.

Biologically and mineralogically complete sand substrate for saltwater aquariums. Contains specially engineered bacteria to suppress ";new tank syndrome";. Discourages nuisance algae. Never needs replacement.

The only crushed coral with aragonite, which provides up to 25 times the buffering power of other crushed corals, dolomite, or oyster shell. Will eliminate chronic pH problems and provide maximum surface area for water purifying bacteria. Allows an increase...

The only crushed coral with aragonite, which provides up to 25 times the buffering power of other crushed corals, dolomite, or oyster shell. Will eliminate chronic pH problems and provide maximum surface area for water purifying bacteria. Allows an increase...

Give your aquarium the visual appeal and biological performance of live rock, without any impact on the world's coral reefs. Life Rock by CaribSea is the ecologically responsible (and budget conscious) alternative to wild live rock. It is made from aragonitic...

Give your aquarium the visual appeal and biological performance of live rock, without any impact on the world's coral reefs. Life Rock by CaribSea is the ecologically responsible (and budget conscious) alternative to wild live rock. It is made from aragonitic...

Give your aquarium the visual appeal and biological performance of live rock, without any impact on the world's coral reefs. Life Rock by CaribSea is the ecologically responsible (and budget conscious) alternative to wild live rock. It is made from aragonitic...

Packaged in a breathable bag with a thin film of real ocean water (sand will be damp) to preserve 1,000 times more living bacteria than other preservation methods - no added chemicals or special processing. Ocean Direct aragonite live sand ensures faster,...

Packaged in a breathable bag with a thin film of real ocean water (sand will be damp) to preserve 1,000 times more living bacteria than other preservation methods - no added chemicals or special processing. Ocean Direct aragonite live sand ensures faster,...

Packaged in a breathable bag with a thin film of real ocean water (sand will be damp) to preserve 1,000 times more living bacteria than other preservation methods - no added chemicals or special processing. Ocean Direct aragonite live sand ensures faster,...

Packaged in a breathable bag with a thin film of real ocean water (sand will be damp) to preserve 1,000 times more living bacteria than other preservation methods - no added chemicals or special processing. Ocean Direct aragonite live sand ensures faster,...