Meguiar's Marine/RV Gel Wash 3.8LNo. 54 gel wash is super thick, super rich and super concentrated. It blends rich conditioners with optical brighteners to Rich emulsifiers lift boat scum, dirt, salt spray and grime as well as bird droppings and other stuff without back breaking scrubbing! It is pH balanced and biodegradable and wont strip off your wax protection. This container should last a long time as you only need one capful of detergent per 4 litres of water (Unless you have a