Step 2 of a 3-part cleaning process for your X-ray processor. Used weekly, it guarantees sharper images. Safe for all processors. It cleans developer, fixer, oxidation, silver, and algae deposits from rollers, tanks, webs, and transports in 35 minutes. Acid-free, chromate-free, 100% biodegradable, and nontoxic. No hazardous shipping charge required.