You would be wrong to assume that gravel or any other kind of substrate is just for decoration. Using it in an aquarium is highly recommended.
Are there special types of gravel for aquariums?
Dustin's Dirt (Aquarium Substrate, Our Own Premier, 46% OFF
Dustin's Dirt (Aquarium Substrate, Our Own Premier, 46% OFF
What type of gravel to use in my aquarium?
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