Review: Chemical Guys Big Mouth Foam Cannon And Mr Pink Foam Party Is A Car Wash Explosion

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A huge part of the experience of car detailing can be explained as sensory marketing. We’ve come to expect wheel cleaners to smell like grape soda and our waxes to smell like bananas. But, it isn’t just scents. When we use our radioactive color-tinted car wash soaps, we expect what detailing enthusiasts call, “shaving cream foam.”

Foam does have a purpose when cleaning a car, it helps lift and encapsulate debris so it can be washed off your car without scratching it. Chemical Guys wanted me to test out the latest in suds blasting tech. So, its new Big Mouth Max Release Foam Cannon arrived at my front door, along with the appropriate ammo, Mr. Pink Foam Party Wash & Wax. This foam cannon is designed to work with a pressure washer, and luckily I’ve also been testing a DeWalt 2100 PSI portable electric unit.

The detailing industry always jumps from one latest and greatest thing to the next. Foam cannons are the current thing. Sure, people have been using pressure washers forever but if you don’t have a pic for the socials of your car looking like a coconut cream pie, are you even washing it, bro? 

The active parts of car wash soap are different kinds of surfactants; a type of bipolar molecule. That means one end will stick to water, the other will repel water. The end that repels water, will stick to oils, however. There is an almost endless variety of surfactants. Some will be better at cleaning, some at foaming, and some will help water rinse off your paint, while others make mayonnaise possible. If you haven’t guessed from the names, Chemical Guys is leaning into the foam thing, while not ignoring the cleaning part.

Chemical Guys has a variety of foam cannons. Some will connect to a garden hose, this one likes at least 800 PSI and 1.2 GPM, that’s gallons per minute. The DeWalt pressure washer I’m testing will do 2100 PSI, but it tops out at 1.2 GPM, which is about what you can expect from most electric units. It has a 34-ounce jug with a 2-inch opening. The spray pattern and soap mixture is adjustable, and it includes the automotive-style quick