Crystal Blue-Blue Pond Dye-1 Gallon

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

• Clears up muddy ponds
• 100% safe for humans, fish, livestock, pets, birds, swimming, potable water and irrigation
• Maintain color and clarity for up to 30 days
• Helps settle out dissolved solids
• 1 gallon treats 1 surface acre, 4-6 feet deep