Quat binding occurs when the quaternary ammonium chloride sticks and absorbs to the fibers of your mop or cloth. This binding is invisible to the naked eye and will go unnoticed by the users but can drastically reduce a disinfectants effectiveness.
Just like those old hot dogs forgotten in the camper fridge, your cleaning supplies may not be good by spring. You may have noticed an expiration date on your cleaning supplies and wondered why? Or Does it matter?