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Home > Tank Sealers

Tank Sealer Kit for 25-50 Gallon Tanks

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Tank Sealer Kit for 25-50 Gallon Tanks

A money-saving 3-Step repair kit which includes enough products to clean, prep & permanently seal up a 25-50 gallon tank. Detailed instructions included. Satisfaction guaranteed!

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Part #: 53010
(+See 3 Questions)

Kit Contains:

Gallon of KBS Klean
Gallon of RustBlast
2 Quarts of Gold Standard Tank Sealer
Nitrile Gloves and Stir Stick
Detailed Instructions

25-50 Gallon Tank Sealer Kit Overview

Tremendous Value

KBS Klean Gal: $22.95
RustBlast Gal: $33.95
2 Tank Sealer Qts: $79.90
Nitrile Gloves: $0.50

Total: $137.30
Only: $129.95
Your Savings: $7.35!

The KBS Tank Sealer Kit contains everything you need to seal a tank of up to 50 gallons.

Gold Standard Fuel Tank Sealer, from the makers of KBS Coatings, is a superior, single-component, ready-to-use fuel tank sealer.

Gold Standard Fuel Tank Sealer is specifically formulated to stop rust and corrosion by forming a tough, fuel impervious coating while simultaneously sealing small pinholes and weld seams.

This kit contains our KBS Klean (a water-based, heavy-duty, cleaner/degreaser) and KBS RustBlast (a powerful rust remover/metal etch) to obtain a permanently sealed, rust-free fuel tank. These KBS prep products are formulated to leave a zinc phosphate film.

NOTE:This Kit should work for an average 25-50 gallon tank. Coverage will vary based on application, condition of tank, substrate of tank, and other factors.

25-50 Gallon Tank Sealer Kit Contents

  • Gallon of KBS Klean
  • Gallon of RustBlast
  • 2 Quarts of Gold Standard Tank Sealer
  • Nitrile Gloves
  • Stir Stick
  • Detailed Instructions

25-50 Tank Sealer Kit Features

  • Silver metallic permanent coating
  • Eliminates all rust & corrosion
  • Impervious to all fuels, alcohol additives & most solvents
  • Gold Standard Tank Sealer can withstand temperatures of up to 500° F.
  • Permanently seals pinholes & weld seams
  • Flexible to expand & contract
  • Non-flammable
  • Environmentally safe
  • Contains no Methyl Ethyl Ketone


Steel, Aluminum & Fiberglass Fuel Tanks • Oil Tanks • Utility Tanks • Diesel Tanks • Non-potable Water Tanks

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Instructional Videos

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Questions and Answers
+See All Questions

Q: Hello, will this product work to coat the inside of a hydraulic tank? We are looking for something to keep a new tank from rusting.

Asked by:  - 10/17/2013

A: Yes, the Tank Sealer is impervious to hydraulic fluid. For a hydraulic tank, make sure you clean the tank really well with the KBS Klean to get rid of all of the residue.

Was this answer helpful?   9 of 9 Customer(s) found this Answer helpful.

Q: can this be used with both leaded, and E85 110 octane and up race gasoline ??

Asked by:  - 6/6/2014

A: Yes, the Gold Standard Tank Sealer will withstand E85, leaded fuel, and racing fuels.

Was this answer helpful?   8 of 8 Customer(s) found this Answer helpful.

Q: I need to seal a diesel tank for my sailboat. Recently, the outside temperature has been in the 20s. Whats the lowest tempeature that I can use the product? Also, can i use it in the basement of my house or are the fumes too much. Thank you for your help Doug

Asked by:  - 12/13/2013

A: It is best to use our products between 55 and 82 degrees Fahrenheit.

Also, the Tank Sealer does require fresh air, so we do not think it is a good idea to do the Tank Sealer step in your basement.

Was this answer helpful?   6 of 6 Customer(s) found this Answer helpful.

Customer Reviews - Others Say It Best +See All Reviews
review 17 Total Reviews Sorting:
Rating Not bad
Kbs coatings is a good product would not recommend for all applications but does an excellent job at providing you with the right ingredients to clean and recoat a tank with ease.
Reviewed by:  from Maryland. - 12/26/2016
Rating Worked great , will order from you in the future.
Never received free canvas bag.
Reviewed by:  from Ft. Worth, texas. - 11/22/2016
Rating Fantastic Product
I had a severly rested steel gas tank. it was so bad it sounde like there was sand in it. After washing out all the loose rust, even though this tank had been sitting enpty for several years it dissolved the fuel residue that had dried on. The rust blaster did a great job of removing the rest of the rust, and the coating finished the job. I can use my old truck now! Thanks for a great prpoduct.
Reviewed by:  from Missouri. - 8/2/2015
Rating Tank Sealer Kit - For 2001 Ford F450 7.3L Diesel
Remove Fuel Tank from Truck Inspect for Ford Diesel Fuel Tank delamination = Mine had small particles Take to radiator Shop to Boil Tank NOW ready for KBS 3 Step Tank Sealer kit Follow each step carefully Outstanding Finish / Result PLUS its BioDiesel approved by KBS
Reviewed by:  from Colfax NC. - 7/31/2015
Rating Saved me $1000.00
It took a lot of work to get the gas tank back in shape but it was worth it because this was a 40 gallon tank for motorhome and no one makes a replacement. This product savec the tank and me alot of money.
Reviewed by: (Verified Buyer)  from FLORIDA. - 10/30/2014
Rating A must for metal treatment projects
I use this product even on good no rust metal as a protective coating when doing restoration projects, the variety of colors is very beneficial for different ares of treatment.
Reviewed by:  from Orange, New Jersey. - 7/24/2013
Rating Great product, just take your time.
I used the 50 gallon tank sealer to repair the fuel tank of my New Holland Bale Wagon. The repair cost 11% of the replacement tank price and I have been running it now for six months. I followed the recommended dry times for the product so the machine was down for a week but being the off season it did not matter. Appears to be a big money saver if you have the time, but if the machine needs to be back on line right away go another route.
Reviewed by: (Verified Buyer)  from Galt California. - 5/30/2013
Rating Excellent Product!
Excellent product! Worked as advertised! Love it!
Reviewed by:  from Red Oak, Texas. - 2/2/2013
Rating Great Product
very easy to apply and worked very well
Reviewed by: (Verified Buyer)  from Baltiore Md.. - 1/2/2013
Rating Product worked just as described
Was able to repair an expensive heavy equipment fuel tank with this product.
Reviewed by:  from Indianapolis, IN. - 11/26/2012
Review Tank Sealer Kit for 25-50 Gallon Tanks
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