Aqua One Ocellaris 850 UVC Canister Filter 850L/H – Crystal Clear Water with Built-in UV ProtectionThe Aqua One Ocellaris 850 UVC Canister Filter 850L/H handles aquariums up to 250 litres with powerful yet compact filtration. It circulates 850 litres per hour and features a 7W UVC steriliser that targets algae and bacteria directly. This keeps water noticeably clearer in both freshwater and marine tanks while the efficient motor limits power use to around 14–21 watts total.Additionally, three media baskets provide excellent space for custom layers of mechanical, biological, and chemical media. The easy-pull primer gets it running fast, and quick-release taps simplify cleaning without spills. On top of that, the filter stays very quiet so it works well in any living space.Key FeaturesStrong 850 L/H Circulation – Keeps water fresh and oxygenated throughout the tank for healthier fish and plants.7W Built-in UV Steriliser – Destroys floating algae, bacteria, and parasites to reduce green water and improve clarity naturally.Full Multi-Stage Cleaning – Traps dirt mechanically, processes waste biologically, and removes chemicals for balanced, safe water.7.5 L Filter Chamber – Holds plenty of media to support thorough filtration even in busier or planted setups.Three Media Baskets – Makes it simple to organise and swap wool, bio rings, carbon, or other media as needed.Extremely Quiet Running – Produces almost no sound or vibration, perfect for bedrooms, lounges, or quiet offices.Fast Pull Priming – A few pulls on the handle start the filter quickly and without hassle or air locks.Low-Power Efficiency – Draws only 14–21 W (UV on/off) to deliver reliable results while keeping energy costs down.Versatile for All Tanks – Performs consistently in coldwater, tropical freshwater, and saltwater environments.SpecificationsDimensions: 19 × 19 × 38 cmAquarium Size: 150 – 250 LMaximum Flow Rate: 850 L/HMaximum Head Height: 1.3 mFilter Volume: 7.5 LWattage: 14 W (21 W with UVC active)Filtration Type: Multi-stage (mechanical, biological, chemical) 7W UVC steriliserComponents Included: Starter media pack (wool, sponges, sintered glass), 16 mm hoses, quick-release taps, spray bar, primer handle, UV lamp unitFAQs About Aqua One Ocellaris 850 UVC Canister Filter 850L/HWhat does the UV steriliser actually achieve? It kills free-floating algae, bacteria, and some pathogens as water passes through, helping prevent cloudy water and minor outbreaks.Is this filter safe for marine/saltwater tanks? Yes, the Aqua One Ocellaris 850 UVC Canister Filter 850L/H works reliably in both freshwater and saltwater aquariums.How frequently should I maintain the filter? Clean mechanical media every 4–6 weeks; check flow and rinse biological media gently only when needed.Does it include filter media out of the box? Yes, it comes with wool, foam sponges, and sintered glass media so you can start filtering immediately.Where do I get Aqua One Ocellaris UVC canister filter replacement parts? Replacement UV bulbs, impellers, media pads, and full kits are available from Aqua One stockists or online aquarium suppliers.Keep your tank sparkling and algae-free with ease! Add the Aqua One Ocellaris 850 UVC Canister Filter 850L/H to your setup today.
