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MK37-635

Hydro Blue Sio2 Coating

141 Reviews
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The 10 minute paint coating!

What if we told you that coating your vehicle with protection that lasts 3 months or longer was as simple as spraying on and rinsing off with a hose? McKee's 37 Hydro Blue does exactly that. This highly-advanced Sio2 coating is applied exactly as described above; waxing your car has never been this easy. McKee's 37 Hydro Blue can be used as a stand-alone form of paint protection, or as a booster for your favorite paint, glass, or wheel coating. That's right: McKee's 37 Hydro Blue is 100% safe for ALL exterior surfaces.

  • Spray on, Rinse Off Nano Coating
  • Extremely High Gloss Finish
  • Safe on ALL Exterior Surfaces
  • Slick & Hydrophobic


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    McKee's 37 Hydro Blue will quickly become your favorite car care product. Thanks to advancements in chemistry, it's possible to formulate a surface coating that doesn't need to be applied using traditional methods. Hydro Blue is water activated, so all you need to do is rinse it off after you spray it onto your vehicle's exterior panels. The best time to use Hydro Blue is immediately after you wash your car, while the paint is still wet. Working one panel a time, spray Hydro Blue directly onto the surface and then rinse it off using a strong jet of water.

    McKee's 37 Hydro Blue is formulated using Sio2 technology that forms an electrostatic bond to exterior panels, enabling Hydro Blue to last 3 months or more. Not only is Hydro Blue durable, the shell of protection it creates is glossy and extremely hydrophobic. You'll be amazed at the incredible beading and sheeting that McKee's 37 Hydro Blue exhibits on all exterior surfaces, including paint, wheels, and glass. UVA and UVB light absorbers keep your paint from dulling or fading.

    McKee's 37 Hydro Blue is one of the best values in car care. Use this advanced coating on paintwork, glass, chrome, and plastic trim. Only a few ounces are needed to protect a full size truck or SUV. Paint will appear brighter; glass will stay cleaner; brake dust will not stick to wheels. McKee's 37 Hydro Blue is a product for everyone - professionals and beginners.


    McKee's 37 Hydro Blue was formulated in South Florida, where the sun shines bright year-round. For this reason, Hydro Blue does not streak! Use with confidence, even in humid climates.

    I tried your hydro blue today and all I can say is OMG. Started with my Porsche and after seeing the results just could not stop and did my trailer and a 10 year old Acura. The Acura looks like it left the factory. The product is easy to use and gives great results in a short time. Thanks for producing such a great product. My order for more is going in today. -David M.

    Free Shipping & Returns

    We currently offer FREE SHIPPING on orders over $115 within the contiguous 48 states.

    If you don't absolutely love what you receive, give Nick a call and he'll set you up with an exchange or return.


    Customer Reviews
    4.9 Based on 141 Reviews
    5 ★
    95% 
    134
    4 ★
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    Filter Reviews:
      MP
      02/24/2024
      mark p.
      United States

      fantastic

      this product is suburb, sheds water like you can't believe

      JH
      11/21/2023
      Jim H.
      United States United States

      Awesome Product

      I had bought a wash bucket kit on the McKee's 37 website that was on sale last winter and the spray Hydro Blue Sio2 Coating was part of the kit. I had just purchased a 23' Honda CR-V EX-L and already had another ceramic coating applied on it. My wife has a 08' Honda Civic that is in great shape running wise as well as body and paint with no rust. I decided to apply the Hydro Blue Sio2 Coating to my wife's car after washing it. Mind you, no paint correction, decontamination, clay bar or polish was done to her car prior to the wash. I applied it as per directions and I was amazed by the water beading and the slickness and shine on the car. I've applied it a couple of times after washing it with the spray on rinse off. I haven't applied any of it for the last month or longer and the water still beads up and rolls of her car as it did when I first applied. Bottom line: THIS STUFF IS AMAZING!

      SW
      10/25/2023
      Steven W.
      United States United States

      Great product

      I am a fan of Hydo-Blue Sio2 Coating. Since 1st introduced it has become a regularly scheduled cleaning product on my automobile.

      DJ
      10/02/2023
      David J.
      United States United States

      Great product and easy to use!

      Fast, easy and shinny! I’ve tried several of these types of products but this one is it for me!

      DJ
      09/12/2023
      David J.
      United States United States

      Crazy shiny!

      My four year old car looks like a brand new vehicle! Very easy to apply just a bit pricey