The Pond Guy UltraUV Ultraviolet Pond Water Clarifier, EPA Registered UV Light, Planktonic Algae & Green Water UVC Treatment, Plant, Koi Fish, Duck, Turtle, & Aquatic Life Safe, 13 Watt

Clears Water All Season -- The Pond Guy UltraUV Pond Clarifier is the ideal choice for ponds and water gardens that suffer from excessive algae and poor water quality caused...