Gravel & Sands

The substrate material used in an aquarium may be purely decorative, or it may serve a particular purpose - such as forming part of the filtration or as a rooting medium for growing plants. The two most commonly used substrate materials are gravel and sand.

The substrate material used in an aquarium may be purely decorative, or it may serve a particular purpose - such as forming part of the filtration or as a rooting medium for growing plants. The two most commonly used substrate materials are gravel and sand.

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