Coastal Black Lagoon Dye

For backyard fish ponds, waterfalls and lakes. Black Lagoon, a black crystal or liquid dye, helps control the growth of many algae and underwater weeds. Not only does the dye give the illusion of the water being deeper, it also makes the colors on the fish appear brighter. Completely fish-safe.

8 oz - Treats 3,200 gallons
24 tsp - Treats 28,000 gallons
6 lbs - Treats 672,000 gallons
25 lbs - Treats 2,800,000 gallons

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