Photo grade, may be used in any photographic formula. Packed in unbreakable 2 lb. Plastic jar containing a speed cups.
Added to FG7 1:15 dilution in a 9% solution produces a fine enough grain on medium and high speed films for practically
any degree of enlargement. Adding 10 grams of Edwal Sodium Sulfite per liter to exhausted fixer, helps stabilize for