Edwal One-Step Tank, Tray and Rack Cleaner is specially formulated to clean plastic and stainless steel black & white photo darkroom trays, tanks, reels and roller transports without having to use a separate neutralizer.

Contains no bichromates

Safe for septic tank systems

Just spray, let set for 3 to 5 minutes, then rinse. A scrub pad is included for stubborn stains.