Dodo Juice Born to be Mild is super concentrated. Although we recommend a stronger dilution if your car is very dirty, you can eek it out to 800:1. This makes it surprisingly cheap per dose, despite its high purchase price. PH Neutral Shampoo, gentle on wax layers.
Warm water will clean better than cold, and if you like a lot of suds, jet the water into the bucket from a hose.