PRS Concentrated Deep Blue Pond Dye - Liquid - 1 Quart

* Serenity Lake Colorant is a mix of blue and black for a deeper
blue color
* This nontoxic and harmless pond dye is for use in pond and lakes
* Waters can be used for swimming and irrigation once product is
dispersed
* Compatible with most aquatic algaecides and herbicides
* One quart treats one acre of water 3′ to 6′ deep