I have some powder cloram-x and I need to know how much to use. The comp. says 1oz to 253 gallons to remove ammonia. I am using 180 gallons of clean make up water for use after a water change. Need to remove chlorine,not ammonia. 
I have some powder cloram-x and I need to know how much to use. The comp. says 1oz to 253 gallons to remove ammonia. I am using 180 gallons of clean make up water for use after a water change. Need to remove chlorine,not ammonia. 