Pond Pro Blue Dye - 6 Pack Pond Pro Concentrated Pond Dye looks natural and improves the appearance of your pond or lake - 110g or ~ 4 oz WSP Available in single, 3 or 6 water soluble packets (wsp) Simply remove outer plastic bag and toss inner WSP (Water Soluble Pack) into the middle of the pond. Use one WSP / 200,000 gallons Non Toxic to animals, fish, plants and other wildlife.