Swimming Pool Codes - City of Fargo

Pounds = 1% x 5 gal. x 8.34 – 0.64 poundsRequired 65%(iv)Prepare 50 gallons of 1% chlorine solution from sodium hypochloritecontaining 5.25% available chlorine.Gallons of = 50 gal. x 1% - 9.5% gallons5.25% solution 5.25%(v)A swimming pool contains 50,000 gallons of water. How much laundrybleach (5.25% chlorine) must be added to the water to obtain a dosage of 2.0ppm?Gallons of = 2 ppm x 50,000 gal. – 1.9 gal.Laundry bleach 5.25% x 10,000(vi)Determine the number of milliliters per minute of a 2% chlorine solution to beadded to a water flow of 275 gpm to obtain a chlorine dosage of 1.5 ppm.Application = 0.378 x 1.5 ppm x 275 gpm – 78 ml/minRate (ml/min) 2%36