Bob,
Ikeep a 2 gallon garden sprayer of UWW+ on hand. My process is
1- hose off car and drive into garage
2 - Spray down car with UWW+ and then prepare rinseless. This allows time for dwell. I use DG, ONR or UWW+ at rinseless dilution
3 - Use Microfiber Madness IncrediSponges to wash. I do...