Royal Blue Pond Water Soluble Dye/Colorant

Crystal Blue uses a proprietary formula to enhance your pond or lake with beautiful royal blue color all year long.

• Can help clear up muddy ponds
• 100% safe for humans, fish, livestock, pets, birds, swimming, potable water, and irrigation
• Maintains color and clarity all year long
• Helps settle out dissolved solids
• 1 bag contains 1 water-soluble pack and treats 1/4 surface acre, 4-6 feet deep