_A._ Potassium Ferricyanide 20 lbs. 12 ozs. 10,000 grams
Ammonia (concentrated
.89) ½ gal. 2 liters
Water to 50 gals. 200 liters
_Time of Bleaching_—Two to five minutes.
After washing for 10 to 15 minutes, tone in the following at 65
degrees to 70 degrees F.: