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I'm looking into getting a yellow watchman goby and a pistol shrimp for my future reef. Would caribsea agramax oolite be too fine for the shrimp to construct a burrow?
I dont think so. The only problem with that sand is in the beginning it will easily blow around. Once it's been in there for several weeks the nitryfying bacteria will help some to keep it down but not as much as heavier sand.