Heico Perma Wash is a highly concentrated neutral liquid that not only saves a tremendous amount of time and wash water, but even more importantly provides archival permanence in both films and papers. Perma Wash saves more than 90% of normal wash water requirements which is estimated that the operating cost is one cent per 8 x 10" sheet of film or paper processed.
Washes 100-150 8x10 sheets of paper, film, or rolls of 35mm, per gallon of working solution
A one quart bottle will make ~11 gallons of working solution.
Use 3 oz Perma Wash to 125 oz water to make a gallon.
Perma Wash is non-corrosive and is formaldehyde free.