1) Using litter dosage ; 2) A highly efficient. 99% Sodium Bromide 1Specification: 1 External Appearance White Crystal Powder 2 Active Content 99% min 3 Dry Weight-loss 0.5% max 4 Chloride 0.5% max 5 Heavy Medal 10 ppm max 6 Arsenic (As) 4 ppm max 7 Calcium (Ca) 50 ppm max 8 Bromate 25 ppm max 9 pH value 5.5 8.5 2Suggested Use: Add Sodium Bromide to 10% Sodium Hypochlorite solution, and then you get Active Bromine (Hypobromous Acid), thus enabling you to improve the antiseptic effect.Usually, Sodium Bromide can be made to 40% solution, and then add it to Sodium Hypochlorite solution, and then add a little DTPMP to make the solution contain 6-7% Hypobromous Acid. 3Package & Storage: 25KG weaving bag 20mt/20'FCL