Aquashade Aquatic Plant Growth Control is a blend of blue and yellow dyes which shades specific portions of the sunlight spectrum (red-orange and blue-violet) required by underwater aquatic plant and algae growth. Active Ingredient: Acid Blue 9 12.6% Acid Yellow 23 1.04%
Blue Lagoon WSB (Water Soluble Bags) Pond, Lake and Fountain Dye is a safe and non-toxic colorant product designed to create natural, healthy looking environments in lakes, ponds, water hazards, or large fountains.
Bullseye Blue Spray Pattern Indicator (SPI) is a non-staining, blue liquid polymeric colorant. Its remarkable color strength and superior performance properties are a perfect fit for use in industrial vegetation management.