Liquid Line Cleaner (LLC) - 4 oz.

Can be used in hot and cold process cleaning. 
Pump and CO2 pot line cleaner. The most effective caustic line cleaner. It contains oxalate removers and pentrating surfactants.

Mix at a rate of 12 oz. per gallon of water and circulate for a minimum of 5 minutes.
Rinse and repeat until rinse water appears clear.