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, safer initial cycling and better bio-filtration throughout the life of your reef system. Delivers millions of living bacteria per pound, reduces nitrate, enhances buffering for the life of your system, and discourages nuisance algae. Also aids coral growth and resists the precipitation of carbonate minerals. 77% of Original Grade Substrate is, by weight, less than 1 mm in size (most of that are smaller than 0.66 mm).
Real Caribbean aragonite live sand makes starting a new aquarium faster and safer
Packaged in a breathable bag with a thin film of real ocean water
Used by the foremost public aquariums, research and government institutions, and professionals worldwide