The Oase BioSmart Pond Filter is a high-performance flow-through filtration system designed to keep pond water clean, clear and biologically balanced. Manufactured by Oase, this filter provides effective mechanical and biological filtration, making it ideal for garden ponds, goldfish ponds and koi ponds. Designed for ease of use, the BioSmart filter range offers simple installation, easy maintenance and reliable performance, making it a popular choice for both beginners and experienced pond keepers. Effective Mechanical & Biological Filtration The BioSmart filter works by combining: Mechanical filtration – removes debris and particles from the water Biological filtration – supports beneficial bacteria to break down waste This helps maintain clear water and a healthy pond environment. Easy to Maintain Design The BioSmart range is designed with convenience in mind: Easy-clean filter foams Built-in cleaning indicators (model dependent) Simple gravity-fed return system Quick access for maintenance Making routine pond maintenance quick and straightforward. Suitable for Fish & Garden Ponds These filters are ideal for: Goldfish ponds Koi ponds (model dependent) Wildlife ponds Decorative garden ponds They provide essential filtration to support healthy fish and stable water conditions. Proven Oase Quality Reliable German-engineered design Durable construction for outdoor use Designed for continuous operation Trusted by pond keepers worldwide Available Sizes Choose the right BioSmart filter for your pond: BioSmart UVC 16000 The BioSmart UVC 16000 is now available from Oase as a stand alone filter with integral 11w UV. Suitable for ponds up to 16,000 litres Ideal for small to medium ponds BioSmart 18000 Suitable for ponds up to 18,000 litres Ideal for medium-sized ponds BioSmart 36000 Suitable for ponds up to 36,000 litres Ideal for larger ponds and higher stocking levels Choosing the Right Pond Filter When selecting your filter, consider: Pond volume (litres) Fish stocking levels Sunlight exposure (affects algae growth) General Guide: Lightly stocked ponds → use full rated size Fish ponds → reduce capacity by approx. 50% Koi ponds → choose a larger model for best results Key Features Flow-through pond filter design Mechanical and biological filtration Easy-clean foam filter system Gravity return to pond Suitable for outdoor use Important Information This product is filter only and requires: A suitable pond pump Hose connections (Optional) UVC clarifier for green water control Complete Your Filtration System Pond pumps UVC clarifiers Pond hose and fittings Pond treatments and maintenance FAQ – Pond Filters Do I need a pump with this filter? Yes, this is a gravity-fed filter and requires a compatible pond pump. Does this include a UVC? No, this is the filter only. A UVC can be added separately to control green water. Is this suitable for koi ponds? Yes, but always size up depending on stocking levels.
