Natural Blue Concentrated Lake Dye

PondBasics Natural Blue Concentrated Lake Dye is a blue dye formulated for the beautification of your pond or lake that adds shading to the water preventing algae and underwater plant growth.

• Size: 32oz
• Color: Blue
• Non-Toxic; Safe for people, fish, plants, and birds once diluted
• Does not stain once dispersed
• Shades your pond or lake water preventing submerged plant and algae growth