I haven't seen any of the detail type videos on Youtube where they used a foam cannon and then just rinsed. They all take a mitt or brush to the car/truck after the foam application.
You can use any type of car wash soap in it. I use this Armorall cut 50-50 with water.
https://www.target.com/p/armor-all-64oz-ultra-shine-wash-and-wax-automotive-wash

Last edited by smarquez; 07/02/22.
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