Sodium sulfate (sodium sulphate anhydrous na2so4 (yinzhu)> = 99%) , in powder form , used to produce bka product (to disinfect , kill bacteria in water environment). 100% new
Sodium sulfate (sodium sulphate anhydrous na2so4> = 99%) (sunwin) , in powder form , used to produce bka product (to disinfect , kill bacteria in water environment). 100% new