Blagdon 9W Mini-Pond Filter for 12000L

Create a clean and healthy environment for your fish with a minimal amount of maintenance due to the unique 6 stage filter design UV light kills green water algae, Spray Bar oxygenates water, Graded Foam traps waste, Pro Bio Media creates healthy water, Polymer Wool polishes water, Carbon Foam removes chemical pollutants This is a gravity filter; it must be situated higher than the pond surface. Ensure that the outlet hose is under 1m in length and that there is a drop of 15cm over this distance to the pond surface Easy to clean, easy access hinged lid, 5 metre cable, no mains plug, no hose included Multi choice hoze fitting 1.27 cm, 1.905 cm, 2.54 cm (hoze not included) High Performance UVC clears green water algae Note This unit is protected by a micro switch which prevents the UVC light from illuminating when the cover is removed even if the power is on. This is a safety mechanism as UV light can be damaging to eyes and skin.In order to check the UVC lamp is operating remove the spray bar and hold a piece of plain paper up to the UVC outlet. A faint blue reflection should be seen. This operation may need to be carried out at dusk as the UVC lamp emits a faint a dim blue light under normal operation