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Home > Tank Sealers

Tank Sealer Kit for 25-50 Gallon Tanks

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!

Part #: 53010

Usually Ships Same Business Day.+More Info

(+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

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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Questions and Answers
+See All Questions  |  +Ask a Question

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?   7 of 7 Customer(s) found this Answer helpful.

Answer provided by:   (10/18/2013)

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.

Answer provided by:   (12/13/2013)

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

Answer provided by:   (6/9/2014)

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