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The Natural Color Aquarium Gravel Stone Black (5-8mm) is the perfect choice to beautify and elevate your fish tank, adding a diverse array of colors and visual interest to your aquarium. This gravel is compatible with all varieties of cold water, tropical, and marine aquarium setups.
Additionally, the gravel serves as an excellent rooting medium for live plants.
One of the most crucial roles that gravel plays is providing a habitat for beneficial bacteria. These bacterial colonies are essential for breaking down waste generated by fish, leftover food, and plant debris within the aquarium. Without a cozy gravel bed, these bacteria may seek other locations, potentially failing to thrive in adequate numbers to maintain a safe environment for your fish.
If the tank is left without gravel, it will require more frequent water changes to prevent harmful waste accumulation. In the case of a heavily stocked tank, even regular water changes may not suffice to keep ammonia and nitrites under control.
There are occasions when substrate might not be necessary or even beneficial. The primary situation involves a grow-out tank used for hatching eggs and raising young fry. These grow-out aquariums must be meticulously maintained and need frequent water changes alongside immediate removal of waste and uneaten food.
Fry are so small that they can easily blend in with a gravel substrate, making it difficult to spot them when vacuuming or changing water. A bare-bottom tank simplifies the process of spotting tiny fry, helping to avoid accidentally removing them during cleaning.
Hospital tanks may also lack substrate, as it can harbor parasites that can persist and infect future occupants. A bare-bottom tank effectively mitigates this risk. For similar reasons, some pet owners opt to keep quarantine tanks without substrate as well.
