after a little examination in his tank, he noticed that the particles are more crystalline than round, which may cause issues for his nass snails. let me go reread his post
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sry, it was someone else who said his nass snails didn't like the crystalline structure, but longterm couldnt tell cause his puffer ate them all...
was suggested to him to put the sand down, then put a layer of live sand ontop of it.