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  • Normal to Heavy Buildup: Ready to Use to 1:1 Dilution (64oz per 1 Gallon Water)
  • Medium Buildup: 1:3 Dilution (32oz per 1 Gallon Water)
  • Light Buildup / Regular Maintenance: 1:15 Dilution (8oz per 1 Gallon Water)
  • Spray Bio-Kleen Fiberglass Cleaner onto area affected with water spots and water stains. Allow product to dwell for extremely hard to remove stains.
  • Agitate lightly with a Boat Body Brush with medium to soft flagged tip bristles
  • Rinse
  • After removing water spots and stains with the Bio-Kleen Fiberglass Cleaner, apply Bio-Kleen Polish & Sealant to create a protective barrier against the water stains
  • Maintain with Bio-Kleen Qwik Shine and a Micro-Fiber Towel

  • HEAVY BUILDUP DIRECTIONS: Spray on surface, let stand 5 minutes, agitate with a soft bristle brush and rinse thoroughly. For heavy lime, oxidation and algae deposits longer dwell time or a second application is recommended. Hot water always increases efficiency. Immediately follow up with an application of Bio-Kleen Polish & Sealant to prevent future build up and create a layer of UV protection and shine. Ready to use or may be diluted per application.




    Overall Customer Rating of 49 Reviews:
    California

    M006 cleaner

    Rating:
    Pros:
    Cons:
    Cleaned the discoloration below the water line pretty well after leaving for 10 min. Not as good as the acid cleaner but does not damage the galvanized trailer. Yet to determine how it will work on marine growth.

    Ohio

    Best Fiberglass Boat Cleaner EVER!

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    This product is amazing to say the least!!!! Hands down better than anything I've used in the past. Great price and friendly customer service. Deserves 10 stars!

    Botetourt County, VA

    Bio-Kleen Fiberglass Cleaner -- More Than Boats

    Rating:
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    I've used this product for several years, and I continue to be extremely pleased with the results. Not only does it work well on the boat, but it does extremely well cleaning fiberglass showers.

    florida

    aluminum/fiberglass cleaner

    Rating:
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    this is a great product and works as stated. you need to let it stand on for about 5 minutes and then rinse. this is the fiberglass cleaner and it works on ALUMINUM. the aluminum cleaner , which I have purchased also works great but doesn't foam as much and runs off quickly. both are great !! a little pricey but its up to you how often you use it. give me a deal and ill buy more .

    rochester, ny

    Cleaning fiberglass boat scum line

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    Sprayed it on and waited a few seconds and the stuff just wiped off. Worked great! I had tried many other cleaning products along with lots of elbow grease with little progress. Then I found this product online and ordered it with expedited shipping. I tried it out right away and am very pleased with how well the product worked. I am especially pleased that you don't need to worry about damage to trailer or wear a hazmat suit to use it. I will definitely be ordering more of this product.