This product can be found in: Aquarium Lamps | Aquarium Lighting: All | Aquatics 50% Off | Aquatics May Sale | Arcadia Lighting units | Clearance: All | Clearance: All | Fish Tank Supplies | May Sale: All   UK Standard Delivery FREE on orders over £39*   Arcadia Ultra Violet Ultraclear UVC Lamp 5 Watt 57494 0 reviews | Login to review ON SALE: Order Today to Save 50% Was: £17.99, Now: £8.99 The Arcadia Ultra Violet Ultraclear UVC Lamp eliminates suspended algae in ponds to give crystal clear pond water. It is also suitable for aquarium clarifiers and sterilizers. This compact lamp will remain effective for 12 months. (unlike lower cost lamps) 5 Watt 100mm / 4.5” Discontinued Unfortunately, this item has been discontinued.