Using this Bio - Circle AERO and MAXI start - up package is easy. First, take out the Bio - Circle Maxi, the large manual parts washer. Place the parts you want to clean inside it. Then, use the BIO - CIRCLE Aero, the bioremediating parts cleaner. Pour it into the washer according to the size of the parts. It's safe for sensitive materials, so you don't have to worry about damaging your parts. When using, make sure the area is well - ventilated. For maintenance, clean the washer regularly after use. Empty any remaining cleaner and wipe it dry. Store the package in a cool, dry place. This will keep the products in good condition for future use.