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Home > Prep Products

KBS Klean

review 81 Reviews +See Reviews
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KBS Klean

KBS Klean is a concentrated, water-based, biodegradable formula that is an excellent alternative to flammable solvents and hazardous chemicals. KBS Klean prepares your paint job with a clean surface. Try some today and see why customers say ...it's not really clean until it's KBS Klean'd!

8oz. - $6.95  |  Quart - $11.95
Gallon (w/ spray bottle) - $21.95
5 Gallon - $89.95
Part #: 2

Usually Ships Same Business Day.+More Info

(+See 1 Questions)

KBS Klean Overview

KBS Klean - Water Based Cleaner and Degreaser

KBS Klean is a concentrated, water-based, biodegradable formula that is an excellent alternative to flammable solvents & hazardous chemicals for preparing your paint job with a clean surface.

KBS Klean is Step #1 in the KBS 3-Step Rust Prevention System and the KBS 3-Step Tank Sealing System.

KBS Klean is a powerful cleaner that deeply penetrates and removes stubborn soil from most surfaces without leaving harmful residues or emitting noxious fumes.

KBS Klean is perfect for the home, garage, or plant to effectively remove dirt, grime, oils, lubricants, grease, waxes, scum, algae, road film, and other contaminants.

KBS Klean may be used in pressure washing equipment to produce the rapid penetration of many layers of accumulated build up. Cleaning projects have never been easier! Satisfaction guaranteed!


KBS Klean Applications

  • steel
  • iron
  • fiberglass
  • concrete
  • plastics
  • nylon
  • brass
  • automotive & diesel engines
  • truck trailers
  • compressors
  • holding tanks
  • engine room pumping equipment
  • tools
  • ovens
  • bbq grills
  • painted finishes
  • galvanized
  • aluminum
  • stainless steel
  • canvas
  • vinyl
  • air conditioner systems
  • grease traps
  • floor pans
  • fuel tanks
  • porcelain sinks
  • tubs
  • showers
  • asphalt
  • lawn mowers

KBS Klean Features

  • Guaranteed pre-paint performance
  • Economical concentrated formula
  • Low foaming, leaves no residues
  • Non-flammable, no petroleum additives
  • Non-corrosive, non-toxic
  • Environmentally safe, phosphate-free
  • Safe on non-ferrous metals like aluminum
  • Powerful low temp cleaning action
+Directions & Tech Support

Directions, Info Pages, and Tech Support

KBS Klean Directions Application Flow Chart
Search the KBS Klean
Support Forum
How-To's Using
KBS Klean
Search The KBS Support Forum

KBS Klean Coverage

1 Gallon of KBS Klean for each Gallon of KBS RustSeal
*Each Gallon comes with a Bottle and Sprayer

1 Quart of KBS Klean for each Quart of KBS RustSeal

8oz of KBS Klean for each 8oz of KBS RustSeal.


KBS Klean Before/After

+Part Numbers

KBS Klean Part Numbers

8oz ... #2200
Quart ... #2400
Gallon ... #2500
5 Gal Pail ... #2600

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Questions and Answers
+See All Questions

Q: Can I use KBS Klean full strength or is KBS Klean always suppose to be diluted?

Asked by:  - 8/29/2013

A: KBS Klean is designed to be diluted. A full strength dilution would be 1 part water with 1 part KBS Klean. But you can go up to 10 parts water and 1 part KBS Klean depending on your job.

Was this answer helpful?   46 of 51 Customer(s) found this Answer helpful.

Answer provided by:   (8/30/2013)

Customer Reviews - Others Say It Best +See All Reviews
review 81 Total Reviews Sorting:
Rating Clean as it gets.
This is a very good cleaner prep. It can be used to take off light newly formed rust on steel surfaces. After stripping and acid cleaning the surface if the next day or so if not painted right away this cleaner will remove the light rust off the surface without having to re acid clean or sand again. Just leave it full strength on the surface a few minutes and clean off with a aggressive nylon sponge abrasive.
Reviewed by:  from Philadelphia, PA. - 11/18/2014
Rating Excellent cleaner
I am a cuemaker, designing highend cues, I have found your product removes even the finest dust after sanding with 2000 grit paper. Other products I have tried were not able to attain the surfaces as clean and smooth as yours and make the next step a easy one.
Reviewed by:  from Lafayette, La.. - 8/30/2015
Rating Works great!
Removed gunk that splashed on the walls from my parts washer that I'd given up on because other cleaners I've tried wouldn't touch.
Reviewed by:  from Decatur Ill.. - 1/5/2016
Rating Great product
Used it for my rusted gas tank.
Reviewed by: (Verified Buyer)  from Whittier. - 1/26/2016
Rating Amazing!
I've used the store bought stuff a million times. It smells, sprays all over my paint, never gets completely off, doesn't really work that well. I actually used it on my 51 year old engine bay prior to KBS Klean with no real results. Tried this stuff and did exactly as the directions said... amazing. If I could use profanity to describe it I would. I mean it literally melts away the grease / grime / oil / etc. - Seriously, buy this product. Use as directed. Change the world.
Reviewed by: (Verified Buyer)  from Yorkville, Illinois. - 5/22/2016
Rating Good cleaner
It did clean my headers . The only problem was I had some grease on one of the headers that it would not totally take off
Reviewed by:  from Savannah Georgia. - 5/29/2016
Rating Works well
Cleans grease off well
Reviewed by: (Verified Buyer)  from New Haven IN. - 8/26/2016
Rating Best preprep cleaner on the market
This cleaner is the best preprep painting cleaner I have ever used. The others leave a solvent, wax and other stuff on the metal. This cleaner leaves a surface that is unbelievably clean. Do yourself a favor and throw those solvent prepreps out, you won't be sorry. This cleaner is very high tech.
Reviewed by: (Verified Buyer)  from Philadelphia, PA. - 12/26/2014
Rating Great product
use as a degreaser
Reviewed by:  from nc. - 1/22/2017
Rating Finally found what I was looking for
Needed something to adhere to bare metal found it.
Reviewed by:  from washington. - 1/22/2017
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