Ready-to-Dispense (RTD®) is the maintenance-free dilution control system that's built right into the bottle. Simply attach a hose and you're ready to dispense! Removes mold, mildew and soap scum stains from showers, doors, porcelain, countertops, bathroom fixtures and more. Kills odor-causing germs, staph and athlete's foot fungus. Economical 1:64 dilution makes