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Superfish UV PL Lamp
Superfish provide a range of UV bulbs for all different pond filters (excluding Oase) at the best prices.
The Ultra Violet units help maintain a healthy ecosystem, keeping the water clean from unwanted algae and plant waste. Put simply the water continually passes through the UV light and halts the growth of algae. The algae cells clump together which makes them easier to filter. A quartz sleeve protects the bulb from the water.