seachem onyx

  • Seachem Onyx Gravel 7KgSeachem Onyx Gravel 7Kg Quick View
    • Sale!
      Seachem Onyx Gravel 7KgSeachem Onyx Gravel 7Kg Quick View

    • Seachem Onyx Gravel 7Kg

    • Original price was: £26.50.Current price is: £19.89.
    • Onyx™ is a specially fracted natural 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 such as Onyx Sand™. Onyx™ is not chemically coated or treated but does…
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  • Seachem Onyx Sand 3.5kgSeachem Onyx Sand 3.5kg Quick View
    • Sale!
      Seachem Onyx Sand 3.5kgSeachem Onyx Sand 3.5kg Quick View

    • Seachem Onyx Sand 3.5kg

    • Original price was: £15.59.Current price is: £11.69.
    • Onyx Sand™ is a naturally dark gray sand that perfectly complements and enhances the appearance of any aquarium. It supports optimal KH levels for freshwater planted aquariums. Although ideally suited to planted aquaria, it may be used in any aquarium environment
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  • Seachem Onyx Sand 7KgSeachem Onyx Sand 7Kg Quick View
    • Sale!
      Seachem Onyx Sand 7KgSeachem Onyx Sand 7Kg Quick View

    • Seachem Onyx Sand 7Kg

    • Original price was: £26.50.Current price is: £19.89.
    • Onyx Sand™ is a naturally dark gray sand that perfectly complements and enhances the appearance of any aquarium. It supports optimal KH levels for freshwater planted aquariums. Although ideally suited to planted aquaria, it may be used in any aquarium environment
    • Add to basket