TMC EcoReef Cemala Coral Substrate - Coarse
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A Natural Foundation for Your Reef
TMC EcoReef Cemala Coral Substrate – Coarse is a premium aquarium substrate made from fossilised coral, providing a beautifully natural foundation for marine and reef aquariums.
Its coarse texture creates a more rugged reef-floor appearance than traditional fine sand, making it an excellent choice for aquarists looking for a heavier, more substantial substrate around their rockwork.
Made from Fossilised Coral
Cemala Coral Substrate is produced from naturally occurring fossilised coral material, giving it the colour and texture associated with tropical reef environments.
The coarse particles work particularly well alongside TMC EcoReef Rock or natural Live Rock, helping to create a complete and convincing reef-inspired aquascape.
Supports Biological Filtration
The textured coral material provides additional surface area for beneficial bacteria to colonise, allowing the substrate to gradually become part of the biological ecosystem within your aquarium.
TMC also states that the fossilised coral composition can help contribute towards maintaining a balanced aquarium pH.
Coarse, Natural Appearance
The larger particle size gives Cemala Coarse a distinctly different appearance from fine reef sands.
It's particularly useful when you want a more textured seabed, or when creating areas of coarse coral substrate around caves, rockwork and reef structures.
Why Choose TMC EcoReef Cemala Coarse?
• Made from fossilised coral
• Attractive natural reef appearance
• Coarse, textured substrate
• Provides surface area for beneficial bacteria
• Helps support biological activity within the aquarium
• Can contribute towards maintaining balanced pH
• Excellent alongside EcoReef Rock and Live Rock
• Ideal for marine and reef aquariums
• Creates a more rugged seabed than fine reef sand
• Available in 4 and 10kg bags
Whether you're starting a completely new reef or looking for a coarser alternative to traditional reef sand, TMC EcoReef Cemala Coral Substrate – Coarse provides a natural-looking and functional foundation for your aquascape.
Natural coral. Coarse texture. A solid foundation for your reef.


