True Blue Lake and Pond Dye by Precision Laboratories is a proprietary blend of nontoxic, environmentally friendly dyes that imparts a natural blue color back to your lakes and ponds, and reduces sunlight penetration. True Blue Lake and Pond Dye is highly concentrated, odorless, non-toxic and promotes long-lasting natural blue color. True Blue Lake and Pond Dye is:
- Easy to use
- Harmless to fish and wildlife
- Formulated to filter sunlight penetration needed for photosynthesis
Use on: natural or man-made lakes, ponds, water hazards and fountains