Undergravel filters are a type of aquarium filtration that is located beneath the substrate (or under the gravel), and using them avoids the need for a clunky filter hanging on the back of your tank.

A well-chosen aquarium filter is the unsung hero of a thriving fish tank, keeping the water clean, oxygenated and free from harmful toxins. Whether you’re a beginner setting up a small home ...

10 Best Fluval Aquarium Pumps Updated 26th February 2025. Recombu. ... some 07 series filters draw as little energy as a single household ... Provides effective water surface agitation for better ...

When selecting a filter, first consider the size of your aquarium. Filters are rated based on the volume of water they can handle, so you’ll need one with the appropriate flow rate for your tank.