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Marine Aquarium Substrates

  • CaribSea Dry Aragonite Aragamax Select Saltwater Sand is a good intermediate sand size product. The precise 0.5 - 1.5 mm grain size combines some of the animal friendly properties of fine sand such as ingestibility and low resistance to burrowing, with better diffusive flux properties and good porosity. Available in 6.8kg (15lbs) and 13.63kg (30lbs).
    $40.00 Choose Options Caribsea Dry Aragonite Aragamax Select
    CaribSea Dry Aragonite Aragamax Select Saltwater Sand is a good intermediate sand size product. The precise 0.5 - 1.5 mm grain size combines some of the animal friendly properties of fine sand such as ingestibility and low...
  • Kona Coast™ is an all natural aragonite substrate for all types of marine, reef and tropical aquaria. Its chemical composition will assist in stabilizing calcium and alkalinity while preventing large pH declines.
    $38.95 Seachem Kona Coast Aragonite 10kg
      Calcium 376041 Iron 1102 Magnesium 248 Manganese 7 Molybdenum 2 Strontium 1241 Vanadium 15 Zinc 2 Units=ppm, source: Plasma Emission Spectrometer, EPA Method 3050,...
  • Seachem Onyx™ is a specially fracted porous substrate for the aquarium. Onyx™ is suitable for any marine or freshwater environments and is ideally suited for cichlid environments. Onyx™ is most effective when used alone as an integral substrate bed, but it may be mixed with other gravels or sands. Onyx™ is not chemically coated or treated but does have a slight buffering capacity.
    $37.95 Seachem Onyx 7kg
    Onyx™ is a specially fracted porous substrate for the aquarium. Onyx™ is suitable for any marine or freshwater environments and is ideally suited for cichlid environments. Onyx™ is most effective when used...