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One PURE Sludge Bomb ball is effective on ponds up to 20
UV-resistant material
they are the very best in visual test kits
Outside Diameter 90mm
Engineered to OASE’s exacting standards
Hozelock UV Lamp 24w PL-L Product Type_Pond Heaters One PURE Sludge Bomb ballDo you want clean and pure water in your garden pond or aquarium without having to constantly clean it? The Hozelock UV Lamp is the answer you've been looking for. Specifically designed to work with Hozelock Filters and UVC ranges, this UV bulb provides exceptional water clarity. The Hozelock UV Lamp is a reliable and effective water filtration solution, with an output that stays strong for up to a season. For best results, it's recommended to change