If your procedures can accommodate a few extra minutes, you should consider using our safer yet still effective alternative, Fluoride Free RustGo
RustGo is safe for fast colors and all fabrics except glass, metallic-weighted silk and those containing metallic fibers.
Successfully used by laundries and Drycleaners for over 50 years.
Remove only red cap to expose dispenser tip. Do not remove primary white cap. Apply RustGo to stain directly from dispenser tip. DO NOT RUB IN WITH FINGERS. Rinse thoroughly with water after application. (Old stains may require several applications. Rinse thoroughly with water after stain disappears.)