"Black Lagoon's Biological Water Clarifier is an all natural formulation of beneficial pond bacteria for use in large ponds and lakes.  Apply 8 packets per surface acre, around the edges of the pond, when water temperature is above 40 degrees F.  When used regularly, this product:

• Reduces Murky Water
• Reduces Odors
• Reduces Ammonia, Nitrite, Nitrate and Phosphate
• Reduces Bottom Sludge (Muck)