The CrystalClear DeepBlue Pond and Lake Dye is formulated to provide a dark blue color. One single gal. of this concentrated dye will treat up to one surface acre 4 ft. - 6 ft. deep, for several months, depending on the amount of rainfall and/or severity of sunlight. TrueBlue Lake and Pond Dye should be used all year long. for year-long beauty, apply in early spring. Water temperature has no effect on this aqua safe dye and should be applied monthly or as needed to maintain a true blue color all season long. Heavy rain and/or intense sunlight may require additional treatments of pond dye.

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