Kodak Professional Hypo Clearing Agent promotes the removal of fixer from both film and paper and helps to shorten final rinse times. This powder washing aid contains enough chemistry to make 3.8 l of stock solution, which should then be diluted 1:4 to make a total of 19 l of working solution.General purpose mortgage cleaner for black and white film and paperReduces washing time after fixation502 g of powder concentrate gives 19 l of working solution