Blue Kuro™ Super Concentrate Midnight Blue Pond Dye (Case of 12 Quarts)

Blue Kuro™ is the strongest concentrate blend of Black & Blue water pigment on the market. Trusted by professional lake managers across he country, Blue Kuro blocks the wavelengths of light required by plants and algae to grow.  This powerful Pond Dye Concentrate is stronger than any one product available on the market today. 1 quart treats 4 acre feet, 1 gallon treats 16 acre feet.