ok, I am going to be 'that' guy here: any suggestions for known good ph-balanced shampoo and eco-friendly /bio-degradable at the same time?
Don't want to add chemicals to the neighborhood storm drains.
Optimum, Chemical Guys and Adam's Shampoo all seem to have products for these:
https://www.carbibles.com/best-car-wash-soaps-guide/
https://www.theartofcleanliness.com/...-wash-shampoo/
PS: Not an expert and not sure of the links above. Just exploring for now ...