Outdoor Water Solutions PSP0196 Lake and Pond Dye

A high-quality proprietary blend of non-toxic, water-soluble dyes that are formulated to help maintain your pond or lake by filtering sunlight and adding an aesthetically pleasing blue color. Contains one dry-packed water soluble bag that will treat a pond 1/2 acre by 4-feet deep. Purchase multiple packs for larger bodies of water. Safe and nontoxic to fish, birds and other animals. Made in U.S.A.