Through the 5.0 Aqua laundry there will be no stones, no potassium permanganate, no hand grinding, no water and no bleach in the denim washing process 5.0 is a laundry process that eliminates all the key elements of environmental issues resulting from denim processing. The key metric is the ability to recycle the water being used. It will use laser technology to reduce chemicals such as permanganate that goes onto garments during dry processing. This technology is also being used to eliminate scraping during dry processing which is traditionally done by hand and in turn is harmful for the environment and employees that work in these units. Additionally, it uses ozone to eliminate the chemicals in bleach so that you are able to pull color off the fabric