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Wolfgang Quart Foamaster Foam Gun

Enjoy a safer, sudsier wash with the Wolfgang Foamaster Foam Gun!

Fans of Wolfgang Concours Series will love the Wolfgang Foamaster Foam Wash Gun. With brass fittings and a red and black nozzle, the Wolfgang Foamaster delivers a thick layer of foam to your vehicle to give the paint maximum lubrication as you wash. The reservoir features the trademark Wolfgang crest to match your collection of Wolfgang products!

If you’re a detailer in search of the perfect swirl-free car washing technique (aren’t we all?), then you’ve come to the right place. My staff and I are constantly reading up on the internet and consulting detailers to see what new tools and techniques are out there. Our latest find is the Foamaster Foam Cleaning Gun.

The idea behind a foam gun is to minimize the amount of rubbing and scrubbing necessary to clean the vehicle by pre-soaking it with frothy foam.The foam starts loosening and lubricating the paint immediately. As you work your way down and around the vehicle with a mitt or sponge, you don’t have to use as much force to remove dirt and debris. It’s already loose and just needs slight agitation to release it from the paint surface.

This gentle touch substantially decreases the risk of micro-marring because the paint is covered in a foamy layer of lubrication. Used in combination with a premium car shampoo, the Foamaster is a guaranteed safe way to wash your vehicle.

We compared several guns and found that the Foamaster is the best for car washing. It creates a substantial amount of foam by forcing water through the nozzle where it mixes with the diluted car shampoo that is in the gun’s reservoir. The foam is richer, thicker, and sticks to the vehicle longer than soap applied by hand because the dilution ratio of the soap is higher.

Many detailers we talked to use the Foamaster as they wash with a mitt or sponge, instead of as a pre-soak, or sometimes in addition to a pre-soak. This technique involves spraying the foam directly in your mitt’s path. The foam is its frothiest upon contact so this method ensures a thick, sudsy layer of foam between the mitt and the paint surface. If you use this technique, just take care to avoid hitting the nozzle on the paint as you disperse the foam. Since you’re using both hands, this takes a little coordination. Practice makes perfect!

The Foamaster’s nozzle is constructed of brass, giving it excellent, long-lasting performance and durability. The handle, foaming tip, and reservoir lid are all made of heavy duty plastic, and the reservoir itself is chemical resistant polyethylene. This industrial grade foam gun is used by more detailers and enthusiasts because it’s built to last.

The Foamaster is available in two sizes:

75QCFMR – Quart Foam Gun w/ multi-ratio stem and deflector.
75HGFMR – Half Gallon Foam Gun w/ multi-ratio stem and deflector.

Multi-ratio Stem - The multi-ratio stem gives you five settings so you can adjust the dilution ratio of your shampoo. The chart below shows you the shampoo (oz.) to water (gal.) ratio based on the position of the stem.

Deflector - This piece can be used instead of the foam nozzle to deflect exiting water downward and into a wider path. This piece is best suited for spraying non-foaming cleaners over a broad area.

  • Accurately mixes and sprays foaming chemicals
  • Foam generating wand creates a thick, clinging foam
  • Detach handle for a powerful spray rinse
  • For cleaning, degreasing or disinfecting when a foam is desired to increase surface contact time
  • Easy to fill wide mouth, chemical resistant polyethylene quart or half gallon bottle
  • Built-in screen filters out sediment before it reaches your vehicle

*If you are going to use the Foamaster on your vehicle, use it exclusively for your vehicle to avoid cross contamination.

Operational Specifications
  • Water Pressure - 40 to 90 psi (for maximum accuracy 40 to 60 psi)
  • Output - 1-1/2 gallons per minute
  • Spray Pattern - Foaming attachment provides a fan spray, removes for a solid stream. Deflectors are available for fan spray patterns for non-foaming chemicals.
  • Anti-siphon - Protects water supply by preventing soapy water from siphoning back into the hose. (Note: a slight discharge of water from base of handle when water is turned off is normal and indicates anti-siphon is functioning properly.)
  • Customized Ratios - Can be set from 1oz. per gallon to 12 oz. per gallon. (Note: this range is affected by the viscosity of the chemical.)

I recommend using McKee's 37 Xtreme Foam Formula Auto Shampoo in the Foamaster Foam Wash Gun. This shampoo is literally made for the foam gun with hyper-foaming cleansing agents and rich lubricants. As always, use a paint-safe wash tool such as a Pinnacle Chenille Wash Sponge or a Sheepskin Wash Mitt.

After each use, rinse the nozzle and foaming mechanism with clean water to remove any soap residue. This will prevent soapy build-up inside the nozzle and on the brass mechanisms. With regular cleaning, the Foamaster will give you years of trouble-free performance.

The Foamaster Foam Wash Gun has the features you want and the durable construction you need. Protect your vehicle from micro-marring and wash-induced scratches with the Foamaster!

If you own a pressure washer, check out the Foam Cannon HP. It generates foam at a higher pressure to maximize cleaning power.

Wolfgang Quart Foamaster Foam Gun

Our Price: $59.99
Item ID: WG-75Q
Availability: Usually ships the same business day
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10 Reviews
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50% Recommend this product (5 of 10 responses)
By jimmymack
West Chester, PA
July 20, 2016
Washing the car is fun!
Well designed foam gun
ProsPlenty of suds, makes washing easier and quicker
ConsCould also be a plus. Had to play with settings to get right amount of foam, when you first use it and mixture amount. Suggest they add graduation lines to container. Suggest you watch video on how to use it, very informative with a few tricks for getting the right measurement.
By Shannon
Burleson, TX
April 24, 2016
Actually enjoyed using it
I used this with the remnants of some Meguiar's soap I had. I had to experiment with the ratio a little, but it foamed nicely. Seems to be made well with all the brass. My only regrets are that I didn't purchase one sooner, and that I didn't get the larger size for when I'm doing more than 1 car. The latter can easily be remedied. Might have to compile a database of suggested soap ratios.
ProsTime saver works well good construction easy to clean
ConsIt wasn't free. ;). Still worth the $ in my opinion though. The instructions are not specific to washing cars, but you should be able to figure things out...especially with the info on the forum.
By Cory
Janesville, WI
March 24, 2016
Lots of foam for such a small amount of soap
I got this to use with the HoneyDew Snow Foam soap but for the first was tried the 2oz Wolfgang soap sample that came with it. WOW did it foam good and I had some dried bird doo doo on the front bumper, just letting it soak with the Wolfgand soap it lifted it all right off before I started scrubbing. Great product, well worth that money, wish I had known about these foam guns sooner.
ProsThe unit seems very solid and I assume I will get MANY years of use out of it.
By Keith
O Fallon, MO
March 22, 2015
Plenty of foam.
ProsLots of foam.
ConsInstructions just a little vague
By Bill M.
Lincoln, NE.
August 20, 2014
Spray it don't scratch it
Adjustable mix valve is great feature as you can set as much or as little soap as you want. This allows for a touchless soap application that. keeps swirls out of my paint surface. Proper setting allows soap to dwell on car to loosen dirt and grime. So much better than bucket application. Constant spray of soap while sponging keep lubrication(soap) on surface. I have been doing it wrong for 40 years! Not an employee of AutoGeek or Wolfgang
December 13, 2011
Works well if you point it down. You will take a shower if you try and use it on the side of a motorhome.
By nubee dave
August 11, 2008
cuts wash time in half
you can cut wash time in half with this foam gun i still use a bucket for clean water to rinse my wash mit or sponge i use the foam gun for presoak then foam while i use a wash mit or sponge
By Brian G.
April 26, 2007
Want to speed up your wash time? Just grab yourself a foam gun. Excellent product, durable construction, and makes washing fun.
By Jeff Fowler
March 30, 2007
This foam gun is awesome! Works so well. When used with DP shampoo, it really speeds up cleaning...
By Don
July 31, 2006
Easy Wash
One of the best products you can buy for washing your car. The Foam Gun makes washing the car fun and easier than the two bucket method.