T5 16W UVC Bulb, Ultra Violet Replacement lamp. Ultraviolet Clarifier Bulbs or Sterilizer lamps help clear green water in a pond or aquarium. UV Bulbs kill bacteria and many viruses. Greenwater or single cell algae problems in Water Garden Ponds can be eradicated using a UV light clarifier. UV-C light germicidal Ultraviolet lamp or Ultraviolet UV Germicidal Bulbs help control the growth of algae. The increased water clarity improves fish viewing and it also improves the health of the fish.
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