Description
Don’t settle for an ordinary gravel. Natural dramatic colors and textures combined with pH support characterize our Coraline and Seafloor products. These are coarser materials suitable for most under gravel filtration and fish systems or as an accent for finer sands anywhere where elevated pH values are desirable. Consider the Coraline products in brackish or Cichlid aquariums (Central American or African). Seafloor Puka Shell substrates are great additions to fine sands in reef tanks where anim





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