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Aquarium Substrates & Gravels

  • Coral Sand
    $35.00 Coral Sand 2mm 10kg
    Coral Sand is a brilliant natural substrate ideal for Marine and freshwater aquariums where a higher pH is required. Coral sand is graded and available in a 2,3 & 5mm size. Perfect as a Substrate and for deep sand...
  • Coral Sand
    $60.00 Coral Sand 2mm 20kg
    Coral Sand is a brilliant natural substrate ideal for Marine and freshwater aquariums where a higher pH is required. Coral sand is graded and available in a 2,3 & 5mm size. Perfect as a Substrate and for deep sand...
  • Corall Sand
    $10.00 Coral Sand 2mm 2kg
    Coral Sand is a brilliant natural substrate ideal for Marine and freshwater aquariums where a higher pH is required. Coral sand is graded and available in a 2,3 & 5mm size. Perfect as a Substrate and for deep sand...
  • Coral Sand
    $20.00 Coral Sand 2mm 5kg
    Coral Sand is a brilliant natural substrate ideal for Marine and freshwater aquariums where a higher pH is required. Coral sand is graded and available in a 2,3 & 5mm size. Perfect as a Substrate and for deep sand...
  • Coral Sand 3mm 10kg
    $35.00 Coral Sand 3mm 10kg
    Coral Sand is a brilliant natural substrate ideal for Marine and freshwater aquariums where a higher pH is required. Coral sand is graded and available in a 2,3 & 5mm size. Perfect as a Substrate and for deep sand...
  • Coral Sand
    $60.00 Coral Sand 3mm 20kg
    Coral Sand is a brilliant natural substrate ideal for Marine and freshwater aquariums where a higher pH is required. Coral sand is graded and available in a 2,3 & 5mm size. Perfect as a Substrate and for deep sand...
  • Coral Sand
    $10.00 Coral Sand 3mm 2kg
    Coral Sand is a brilliant natural substrate ideal for Marine and freshwater aquariums where a higher pH is required. Coral sand is graded and available in a 2,3 & 5mm size. Perfect as a Substrate and for deep sand...
  • Coral Sand
    $20.00 Coral Sand 3mm 5kg
    Coral Sand is a brilliant natural substrate ideal for Marine and freshwater aquariums where a higher pH is required. Coral sand is graded and available in a 2,3 & 5mm size. Perfect as a Substrate and for deep sand...
  • Coral Sand
    $35.00 Coral Sand 5mm 10kg
    Coral Sand is a brilliant natural substrate ideal for Marine and freshwater aquariums where a higher pH is required. Coral sand is graded and available in a 2,3 & 5mm size. Perfect as a Substrate and for deep sand...
  • Coral Sand
    $60.00 Coral Sand 5mm 20kg
    Coral Sand is a brilliant natural substrate ideal for Marine and freshwater aquariums where a higher pH is required. Coral sand is graded and available in a 2,3 & 5mm size. Perfect as a Substrate and for deep sand...
  • Coral Sand
    $10.00 Coral Sand 5mm 2kg
    Coral Sand is a brilliant natural substrate ideal for Marine and freshwater aquariums where a higher pH is required. Coral sand is graded and available in a 2,3 & 5mm size. Perfect as a Substrate and for deep sand...
  • Coral Sand
    $20.00 Coral Sand 5mm 5kg
    Coral Sand is a brilliant natural substrate ideal for Marine and freshwater aquariums where a higher pH is required. Coral sand is graded and available in a 2,3 & 5mm size. Perfect as a Substrate and for deep sand...
  • This mineralogically and biologically complete substrate is for planted aquariums and comes in live water that contains purifying bacteria. 
Mineralogically complete means it contains iron, calcium, magnesium, potassium, sulfur plus over 25 other elements to nourish your aquatic plants. It contains all the mineral nutrients needed for luxuriant aquatic plant growth without nuisance algae. This iron-rich substrate eliminates the need for laterite. 
Biologically complete means it contains live heterotrophic bacteria to rapidly convert fish waste into natural food for your aquatic plants; creates a natural biological balance which makes cycling a new aquarium faster and safer; packed in Liquid Amazon buffered "Black Water" solution for immediate organic water conditioning; unsurpassed MacroPorosity for healthy roots and bacterial efficiency. You would need to buy 4 bags of ordinary gravel to equal the surface area of this one bag of substrate. 
Other features include: nitrate and carbonate free-will not increase pH or carbonate hardness; there are no artificial dyes, paints or chemical coatings; the natural black substrate encourages the most vibrant coloration in fishes and reduces fish stress; spherial grains for optimum diffusion performance; supplies calcium without raising the pH; lead free. 
The Bi-Modal grading naturally separates into 2 distinct layers: 1) Fine layer on the bottom for best root development and 2) Coarse layer on top which conveys oxygen and nutrients to the roots.
    $49.00 Eco Complete Planted Substrate 9kg - Live Version
    This mineralogically and biologically complete substrate is for planted aquariums and comes in live water that contains purifying bacteria. Mineralogically complete means it contains iron, calcium, magnesium, potassium,...
  • Fighter Gems are an amazing way to show off your magnificent Siamese Fighter Fish. Our exclusive range of pure gemstones are the natural way of adding colour and vitality to your display. All our gems are completely safe for use in any aquarium and will have no effect on water chemistry.
To bring out your Fighters optimum colours it is best to use a contrasting colour gemstone. Natural gemstones can also be used to great effect in other small aquarium setups such as goldfish, guppies and more.

Washed and ready for immediate use.
    $8.95 Choose Options Fighter Gems 500g
    Fighter Gems are an amazing way to show off your magnificent Siamese Fighter Fish. Our exclusive range of pure gemstones are the natural way of adding colour and vitality to your display. All our gems are completely safe for...
  • Galaxy Quartz Sand
    $14.95 Choose Options Premium Quartz Sands 5kg
    Take a look at the different varieties of premium quartz sands for you to choose from fantastic colourrs and specially formulated for use in both terrariums and aquariums. All colours are natural and pure
  • Flourite® is a specially fracted, stable porous clay gravel for the natural planted aquarium. Its appearance is best suited to planted aquaria, but may be used in any aquarium environment.
    $38.95 Seachem Flourite 7kg
    Aluminum 10210 Barium 124 Calcium 195 Cobalt 6 Chromium 13 Copper 17 Iron 18500 Potassium 2195 Magnesiu...
  • Flourite Black™ is a specially fracted, stable porous clay gravel for the natural planted aquarium. Its appearance is best suited to planted aquaria, but may be used in any aquarium environment. Flourite Black™ is most effective when used alone as an integral substrate bed, but it may be mixed with other gravels. Gravel modifiers such as laterite are not necessary. Flourite Black™ is not chemically coated or treated and will not alter the pH of the water. 

Although pre-washed, it may be rinsed before use to remove residual dust. Dust can also be minimized by filling aquarium slowly and dispersing water so that the Flourite Black™ bed is not disturbed. Slight initial cloudiness is normal and will clear rapidly (2–12 hours). To shorten the cloudiness period use Clarity™ in conjuction with mechanical filtration (such as filter floss). 

Sizes: 7 kg

Compare Flourite Black™ to our other plant substrates
    $48.21 Seachem Flourite Black 7kg
    Flourite Black™ is a specially fracted, stable porous clay gravel for the natural planted aquarium. Its appearance is best suited to planted aquaria, but may be used in any aquarium environment. Flourite Black™...
  • Flourite Black Sand™ is a specially fracted, stable porous clay gravel for the natural planted aquarium. Its appearance is best suited to planted aquaria, but may be used in any aquarium environment. Flourite Black Sand™ is most effective when used alone as an integral substrate bed, but it may be mixed with other gravels. Gravel modifiers such as laterite are not necessary. Flourite Black Sand™ is not chemically coated or treated and will not alter the pH of the water. 

Although pre-washed, it may be rinsed before use to remove residual dust. Dust can also be minimized by filling aquarium slowly and dispersing water so that the Flourite Black Sand™ bed is not disturbed. Slight initial cloudiness is normal and will clear rapidly (2–12 hours). To shorten the cloudiness period use Clarity™ in conjuction with mechanical filtration (such as filter floss).
    $36.95 Seachem Flourite Black Sand 7kg
      Flourite Black Sand™ is a specially fracted, stable porous clay gravel for the natural planted aquarium. Its appearance is best suited to planted aquaria, but may be used in any aquarium environment. Flourite...
  • 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...