Crystal Blue uses a proprietary formula to enhance your pond or lake with beautiful royal blue color and clarity all year long. It clears up muddy ponds, and helps settle out dissolved solids. 100% safe for humans, fish, livestock, pets, birds, swimming, potable water and irrigation. Depending upon rainfall or runoff, treat every 30-90 days.

• 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