What is Boric Acid? It is composed of boric oxide and water. Crystalline in composition, white in appearance, free-flowing, and easily handled. Itâ??s a common chemical used in most industries ranging from nuclear energy to personal care products. What grade is our Boric Acid? It is technical grade; granular. What industries is Boric Acid TG used in? Technical grade Boric Acid is used in the agriculture industry as a fertilizer and growth regulator. Where is Ingredient Depotâ??s Boric Acid manufactured? Our Boric Acid is manufactured in North America.