Liqui-Flo™ Liquid High Pressure DetergentYears back, we got an email from a customer asking for a few changes to our high pressure liquid detergents. Since then we've made these changes he requested and it's even better. In fact, it's now a super concentrated and higher foaming liquid detergent used in the prep area of thousands of car wash facilities because it clings to vehicle surfaces for improved contact time. It is a powerful formulation that penetrates and loosens road soil fast