McKee's RV MKRV-180 Wash & Wax Shampoo 32 Fluid_Ounces Thick, high-siding wash that removes dirt, grime, bugs, oil, black streaks, and other contaminants Mckee's RV wash & wax RV shampoo is a ph-balanced, environmentally-friendly formula Helps prevent water spots by neutralizing hard water Adds real wax protection after every wash Our unique, high-foaming formula is pH-balanced and 100% biodegradable. Not only does it preserve your existing wax coating, it reinforces it with real carnauba wax protection! 1 ounce of our hyper-concentrated formula creates 3-4 gallons of thick, luxurious shampoo Prevents water spots