A gravel vacuum is essential equipment for any aquarium, regardless of your experience level. Even well-balanced biological systems require occasional substrate cleaning. The device allows you to remove organic debris from the substrate surface or perform deep cleaning when necessary.
Do you need a filter in your aquarium? This question crosses every beginner’s mind when setting up their first tank. Despite seeming straightforward, there’s no one-size-fits-all answer. Pet stores will likely insist filtration is mandatory, but in my experience, numerous situations exist where you can successfully maintain a healthy aquarium without one.
Artificial aquarium substrate refers to synthetic decorative materials used for bottom coverage. Most commonly, these are colorful plastic or glass beads with rounded shapes. Some manufacturers coat natural materials with waterproof paints after tumbling them to remove sharp edges.