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