HOW TO USE :Effective substance precipitation is normal. Please shake well before using it, And dilution according to the degree of stain of the car body. Dilution:1 : 10 to 20 for Foam Cannons, rich foam and high suspension.1: 700 to 900 for Hand Pressure foam sprayer, rich foam and high-lubricity.Then spray the car wash foam and wash with car wash sponge or wash mitt.WARNING:1. Do not use concentrated liquid to clean the car body directly.