Easy Pro Powdered Pond Dye - Serenity Black/Blue

Serenity dye is a powdered pond dye in a black-blue color that disperses evenly in water, providing shading and tinting for large ponds. Each packet treats one-third of an acre and lasts up to six weeks.

• The description claims that the dye is nontoxic and harmless.
• The description claims that waters can be used for swimming and irrigation once the product is dispersed.