Aquarium gravel is a collection of pebbles and rock fragments that lines the bottom of an aquarium tank. It also helps clean the water by removing fish waste without using a planting tank or an underground filter. Commonly sold in packs, it is available in natural, cultured, coated, and tumbled glass varieties.
Types Of Aquarium Gravels
Kinds of Aquarium Gravels include the following:
Natural aquarium gravel
Natural aquarium gravel consists of granite or quartz stones.
It is ideal for freshwater aquariums.
Cultured aquarium gravel
Cultured aquarium gravel consists of bacteria layers resting on natural gravel.
It is used for removing aquarium and fish waste naturally.
Coated aquarium gravel
Coated aquarium gravel is layered in epoxy.
It comes in assorted colors.
Some varieties can be glossy.
Tumbled glass aquarium gravel
Tumbled glass aquarium gravel consists of irregularly-shaped glass pieces.
It usually comes in pastel and neon shades.
Choosing Aquarium Gravels (Buying Tips)
Nontoxicity: Choose nontoxic aquarium gravel that does not contain lethal minerals that can harm the fish.
Content: Do not get aquarium gravel with dolomite, sea shells, corals, or limestone minerals, as these materials release carbonates that increase the pH buffering level of the water.
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