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Mr. HardWater Protective Sealant

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Price: Starting at $34.95
Manufacturer: J. Flint Products
Manufacturer Part No: EC8

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Mr. HardWater Protective Sealant
Mr. Hardwater Protective Coating.  This polymer coating will adhere to glass giving protection against water stains for up to 2 years.  Keeps surfaces clean longer and protects against moisture, corrosion, & oxidation. Easy to apply. Will not chip or crack. Available in 8 ounce, 16 ounce, and 1/2 Gallon Sizes.

Mr Hard Water® Protective Sealant is a durable, easy-to-apply sealer that protects shower doors, windows, windshields, and other glass surfaces from hard water build-up.  Mr Hard Water® can be safely used on glass surfaces, mirrors, metals, tile, fiberglass, porcelain, and plastic.  Mr Hard Water® Sealer seals and protects shower doors and windows against the build-up of soap and hard water eliminating the need for a daily squeegee. It also protects shower door glass and windows from the etching effects of hard water stains preserving your raw material investment.  Mr Hard Water® Sealer makes subsequent cleaning much easier because it provides a "Teflon-like" coating that prevents the adherence of stain creating substances such as hard water, soaps, and dirt.


  • Durable.
  • Easy to Use.
  • Cost Effective.  
  • Applies with a foam applicator, microfiber towel, or absorbant sponge.
  • Excellent for repelling hard water.
  • Protects glass surface from chemical etching.
  • Makes subsequent cleaning much easier because of the "Teflon-like" coating.
  • 8 oz. covers 200 sq ft.  
  • Does not discolor, crack, chip, or peel.

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Product Reviews

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(37 Ratings, 1 Review) Average Rating:
Works right the first time, goes a long way
Aston (Modesto, CA) 6/26/2017 12:44 PM
I got the smallest oz they have. Half of it covered the entire shower and that was with two coats. Very happy it worked the first time around; works within minutes. Highly recommend all Mr. Hard Water products.
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