WHEN TO APPLY For year-long beauty, apply in early spring. Water temperature has no effect on Pond Dye should be applied every 4-8 weeks or as needed to maintain a beautiful color all season long. Heavy rain and/or intense sunlight may require additional treatments of pond dye. HOW TO APPLY Liquid - Shake well before use. Simply pour liquid Pond Dye in several spots along the pond's edge - no mixing required. WATER USE RESTRICTIONS Pond Dye may be applied to lakes and ponds used for irrigation and aquaculture. Water treated with Pond Dye may be used for recreation, fishing and other activities immediately after treatment. Safe for recreational ponds, horses, livestock, birds, pets, fish, wildlife and the environment. Do not apply to water that will be used for human consumption. Not for use in small water features or water gardens.