ReSURGE Instrument Cleaning Solution 24-1/2 oz. packets (makes 24 gallons). Unique formula helps protect your instruments' passive layer (outer coating), reducing the potential for stains, spots and even rust. Neutral pH, biodegradable and environmentally friendly. At only 1/2 oz. per gallon dilution, it's economical and uses less chemistry. 24 packets of powder detergent