Concentrated water dye available in liquid or toss-and-go soluble bags.
Add beauty to your lake, pond or fountain with this nontoxic, long-lasting deep blue dye. Does not harm fish, birds or other wildlife when used correctly. One gallon of liquid concentrate or one package of four (4-oz.) water soluble bags will treat a one-acre pond to depth of 4'. (³1.3 million gal).