Best Aquarium Filters & Pumps UK (2026) — Page 2

Pros

• Next size up from the popular PF1, rated for tanks up to 81 litres
• Built-in venturi aerates the water while it filters
• Simple rocker switch and suction-cup mounting for quick setup

Cons

• Cartridge replacements are an ongoing running cost

Pros

• Classic Eheim canister build known for running reliably for years with minimal maintenance
• Large media capacity suits bigger community and cichlid tanks
• Quiet operation compared with many budget external filters

Cons

• Sized for larger tanks, so overkill and costly for a small setup

Pros

• 3-stage filtration handles mechanical, chemical and biological cleaning in one unit
• Compact internal design suits tanks up to 55 litres without external plumbing
• Simple to service, with easy-access media compartments

Cons

• Mixed reviews on long-term impeller noise as the unit ages

Pros

• Traps larger debris before it reaches the main filter media, extending its life
• One of the best-reviewed filter media products on Amazon UK
• Straightforward to rinse and reuse between full replacements

Cons

• Needs replacing every 4-6 weeks once clogged, an ongoing running cost

Pros

• Entry-level filter from Juwel's well-regarded Bioflow system, built for tanks up to 80 litres
• Multi-stage foam media handles mechanical and biological filtration
• Widely reviewed and trusted by Juwel aquarium owners

Cons

• Best matched to Juwel tanks, so may need adapting for other brands

Pros

• Fully equipped and ready to connect, including a built-in quick-start priming device
• Greenline energy-saving design from a long-established German aquatics brand
• Comes complete with filter media, so nothing extra to buy on day one

Cons

• Premium price versus entry-level internal filters