(10 x 4 ppm nitrite) - 15 ppm chloride in the pond = 40 - 15 = 25 ppm chloride to add to the pond Now use Formula 2: 20 acres x 4 feet average depth x 25 ppm chloride to add to the pond x 4.5 = 9,000 pounds of salt needed to add to the pond
(10 x 4 ppm nitrite) - 15 ppm chloridein the pond = 40 - 15 = 25 ppmchloride to add to the pondNow use Formula 2:20 acres x 4 feet average depth x 25ppm chloride to add to the pond x 4.5= 9,000 pounds of salt needed to addto the pond