I use an PF22 foam cannon - https://www.amazon.com/MTM-Hydro-PF22-2-Auto-Detailing/dp/B083QTGTBM with Adams soap (or you can chose some else https://carhelpo.com/best-foam-cannon/ etc. ). I am satisfied. My car is completely clean.
Like "hjdca" said:
"Remember, to avoid swirl marks, the most...