Splashy Fin Black Gravel for Aquarium

Black Gravel is a stunning knock-out aquarium accessory that inspires the surrounding décor in your aquarium. An aquarium substrate that certainly adds great contrast in colors from other rocks or decorations in your tank. Create dazzling designs with your gravel.

Key Features:

1. Black Gravel is a good option for many aquariums, it is always been the best choice.

2. Black clean gravel or substrate is usually the best option for freshwater aquariums.

3. Suitable for freshwater tropical, cold water and marine aquarium tanks and it provides a very healthy environment for plants and fish.

4. It is usually large enough for water to flow through the crevices between pieces, which means fewer bacteria.

5. A good biological filter because most of the healthy bacteria grow among them.