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EFFECTIVE GREEN WATER CONTROL - Uses UV-C light to target the single-celled algae responsible for green water, helping to maintain clearer pond water when used alongside a suitable filtration system TWIN-LAMP UV-C TREATMENT - Two 55W T8 UV lamps operate within separate treatment chambers, providing a combined 110W of rated lamp power and additional UV-C treatment capacity for demanding pond conditions SUITABLE FOR PONDS UP TO 75,000 LITRES - Designed for ponds up to 75,000 litres, with an optimum flow rate of 20,000 LPH and a maximum of 25,000 LPH. Suitable sizing depends on sunlight, fish stocking and pond conditions DESIGNED FOR LARGER FILTRATION SYSTEMS - Features 2-inch solvent-weld connections for compatible pressure-pipe installations, with an optional adaptor kit available for 1.5-inch flexible hose. Plumbing fittings are supplied separately DESIGNED FOR EASY SERVICING - Both UV lamps, quartz sleeves, seals and electronic ballast components can be replaced individually, allowing straightforward maintenance and helping to support reliable performance over time