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Coral Gravel 4kg Coarse Grade

Coral Gravel 4kg Coarse Grade

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£7.99 Stock : 9 Our Ref No : 8793
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Product Information Delivery Info Why buy from us?

TMC coarse grade coral gravel, also known as tropical marine gravel is a natural aragonite carefully graded to obtain a uniform grain size (5-10mm) and colour. It has a highly porous structure which makes it suitable for biological filtration, especially when used in conjunction with mechanical filtration.
It is suitable for using as a substrate in marine aquariums or freshwater aquariums where a high pH is required.
4kg will cover a 30cm x 30cm area to a depth of 3-4cm.