The foams are explained as the Nitrification and de-nitrification zones, this is where the toxic nitrogen which is found in ammonia and nitrate is transformed into harmless end products such as gaseous nitrogen in the different sponges. The Integrated UVC Is there to ensure quick elimination of Algae and pathogens.

The Units are fitted complete with integrated pollution level indicator which will signal when cleaning is required, and the cleaning handles allow the foams to be cleaned conveniently without needing to be removed.

Not only are the units supplied with the integrated UVC but they also come with the correct size Filter Pump.

Clear and Healthy pond water through the biological and mechanical cleaning process. Oxygen Enrichment through special water channelling. Integrated Sludge Drain for the easy removal of sludge and debris from the filter. The filter can be partially buried. Supplied with a 2 year guarantee...(Excluding filter foams and U.V Bulb). Once Activating the cleaning lever, the sludge drain can be opened and debris can be removed. The integrated UVC ensures the quick elimination of algae and pathogens. Toxic nitrogen in ammonia and nitrate are transformed into harmless end products. The water temperature can easily be seen on the lid. BioSmart Set 8000 16000 24000 Dimensions LxWxH 380X280X410 mm 560x380x410 mm 920x555x405 mm UVC Power consumption 9 watt 11 watt 24 watt Included Filter Pump Aquamax Eco 3500 Aquamax Eco 5500 Aquamax Eco 8500 Max Flow Through l/h 2750 l/hr 5500 l/hr 8000 l/hr Hose Connection 3/4" -1.5" Outlet Size mm DN 50 DN 70 DN 70 Filter Foams Blue 2 3 4 Filter Foams Red 1 3 4 Filter Foams Green - - 1 Pond Upto Max Fish 4000 L 8000 L 12000 L Decorative Pond Max 8000 L 16000 L 24000 L The East Riding Koi Co Ltd have discontinued Oase filters from our range sorry for any inconvenience   SKU Description Price Order Oase-9watt-54984 Replacement 9 watt UV Tube for BioSmart 8000 £16.58 + Vat Oase-11watt-56112 Replacement 11 watt UV Tube for BioSmart 16000 £18.30 + Vat Oase-24watt-56237 Replacement 24 watt UV Tube for BioSmart 24000 £26.92 + Vat