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Collinite Fiberglass Boat Cleaner No. 920

Make your boat wax last longer and work better!

Collinite Fiberglass Boat Cleaner #920 easily removes dirt, film, oxidation, oil, grease, rust and exhaust stains from fiberglass finishes. Fiberglass Boat Cleaner restores the original color quickly without hard rubbing or buffing and leaves a chemically clean surface to which Collinite waxes can bond perfectly. Collinite Fiberglass Boat Cleaner Increases long-lasting brilliance and performance of protective wax coatings.

Just like in car care, wax bonds better with a totally clean surface. Almost nothing sticks to oily surfaces. Collinite Fiberglass Boat Cleaner #920 works like a prewax cleaner to remove oily films, and other contaminants, and leave a clean slate. Wax bonds to this clean surface for a more effective, longer lasting finish.

Collinite Fiberglass Boat Cleaner #920 contains intense cleaning agents that lift and remove the white, chalky oxidation that occurs in the outermost gelcoat layer. Gelcoat is just like clear coat on a car in its ability to dry out and oxidize. Wax applied over an oxidized surface will just seal in the oxidization and do nothing for the overall appearance of the boat.

Collinite Fiberglass Boat Cleaner #920 removes the existing oxidation, which prevents it from spreading, and restores the original color and luster of the gelcoat fiberglass. Once you apply wax over the clean, bright finish, it will prevent future oxidation and maintain the shine.

For the best results, wash your boat and allow it to dry. Apply Collinite Fiberglass Boat Cleaner #920 using a polishing pad on your Porter Cable 7424 XP dual action polisher or on a Cyclo Orbital Polisher. Either machine will give you even coverage quickly. Once you’ve removed #920, switch to a finishing pad and apply Collinite Fiberglass Boat Wax #925. The wax will bond better and last longer when applied over a freshly cleaned surface.

Collinite Fiberglass Boat Cleaner #920 is easy to apply by hand, too. No hard rubbing or buffing is necessary.

Prep your boat for the best possible shine and protection with Collinite Fiberglass Boat Cleaner #920.

16 oz.

Collinite Fiberglass Boat Cleaner No. 920

Our Price: $9.99
Item ID: CO-920
Availability: Usually ships the same business day
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Review Summary
6 Reviews
83% (5)
17% (1)
0% (0)
0% (0)
0% (0)
100% Recommend this product (6 of 6 responses)
Vermillion, Oh
Best cleaner for the boat
I have used 920 for years on my boat. I apply with an orange cutting pad at low RPM and it takes oxidation and stains right off. My white gelcoat gets dirty through the year and this restores it quickly. I have found that this, and then a polish, and then a wax with 885 Paste Fleetwax works very well to keep the color from fading on the hull through most of the season.

I will also use Collin 920 and a rag to spot clean for stains on the top side throughout the year, always Be sure to cover with wax when done.
ProsEasy on and easy off Cleans thoroughly Removes oil and wax Removes oxidation with a cutting pad
ConsCan't think of one. Be sure to shake well, I guess.
No scratches - cleaner
Have used this product for years on my RV, two boats and corvette. Just sent a bottle to a friend for his boat.
Proseasy to use, cleans great, no scratches.
Consnone i have found
Hudson River, NY
Does super job
I use a Porta Cable variable speed orbital buffer polisher to apply this to my boat. Makes waxing a snap.
Proseasy to use, does super job
collinite boat cleaner
Works great on very minor stains. Zero cutting power on oxidation
ProsLow price easy to use
ConsZero cut for even light oxidation
United States
Never disappoints.
I've been using Collinite products for over 20 years. Let's face it, the fastest, most effective, most complete method for getting dirt and marks off gelcoat is Acetone. But, that can lead to a chalky finish that needs protection attention immediately. Acetone is toxic, a bit dangerous and should NEVER come anywhere near decals or applied graphics. Collinite Boat cleaner is very convenient for spot cleaning and it leaves a silky finish ready for some liquid wax for protection. Besides, who wants a can of Acetone bouncing around their boat's cabin? Collinite smells much better too. I have yet to find anything on my boat that this stuff won't get off including bugs and bird bombs. If I use the acetone to get dock marks off the hull, I just don't like putting wax right over that spot and want to treat it with something else. I never have those reservations with the Collinite 920. Follow it up with Collinite liquid or paste Fleetwax and you'll find yourself staring with pride at your results. Everything they make Marine or Automotive is a winner.
ProsEasy to use, cost effective product that lives up to Collinite's excellent reputation. Safe for use on applied graphics. Consistent successful results. A quick and complete prep for wax. My 11 year old boat elicits regular compliments from fellow Marina captains. Knowing the best kept secret that Collinite is, has made me a real unapologetic snob on the water.
ConsI really have to dig deep to come up with a 'con' on this product. If I had my 'druthers' I would really like to see a dispenser cap on the bottle. Every time I take the cap off, it apparently grows legs and takes off. It seems to never be where I left it. Not having to take the top off would probably have saved me a few hours over the years. Other than that, I would never consider another product to clean my boat.