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Fluid Film Powerful Rust & Corrosion Protection Spray

Curated from 104 real Reddit conversations

Refreshed on: January 27, 2025

Fluid Film Powerful Rust & Corrosion Protection Spray

Brand: Fluid Film

Price: $23

Snoop Score:

6.7

Sentiment

8.0

Popularity

9.7

Technical

5.2

Buy on Amazon for $23 See All Corrosion & Rust Inhibitors Reviews

As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

Fluid Film is a powerful rust and corrosion protection solution designed to safeguard metal surfaces across various environments, including marine, automotive, and industrial applications. Users consistently praise its effectiveness, with one saying, "Fluid Film is the best rust inhibitor," while others appreciate its easy application via spray cans and its long-lasting protection, especially in harsh conditions. Overall, the product is highly recommended for anyone looking for reliable rust prevention and is particularly effective when applied regularly, making it a top choice in its category.

Not for you? Check out our other rated Corrosion & Rust Inhibitors

Any surface rust wire wheel and coat with a rust converting primer. Then fluid film after that.
Positive Feedback

I live in the rust belt and would not consider that undercoating, more so just for touching up areas.
Negative Feedback

6.7

Fluid Film Powerful Rust & Corrosion Protection Spray

Buy on Amazon for $23

Preventative Maintenance

5 / 10

Marine Applications

5 / 10

Automotive Protection

5 / 10

Industrial Use

5 / 10

See how this compares to all Corrosion & Rust Inhibitors

What it does well!

Key strengths users can’t stop talking about.

Effective rust prevention when used properly

“Any surface rust wire wheel and coat with a rust converting primer. Then fluid film after that.”➕

“I usually buy a couple extra cans of fluid film from Lowes to cover what they missed.”➕

“Best Rust treatment 2018 Silverado with 103k miles.”➕

“It impregnates the frame wax, making that wax more effective than it was by itself.”➕

Easy to apply with spray cans or pneumatic sprayer

“It's best to heat it up if you get the gallon or 5 gallon so it sprays and sticks better.”➕

Works well as a touch-up for rusted areas

“The oil will stop the rust from further progressing. The oil will also rehydrate the wax.”➕

Easy to apply with spray cans

“For anyone considering, I’ve got a video review on this one’s amazon product page to help visualize how much easier it is than running can by can.”➕

Best performing rust inhibitor

“This is one of the best performing rust inhibitors you can buy, and far exceeds the likes of Boeshield and CRC since this works outside in exposed environments.”➕

Effective at sealing off exposed metal/rust

“I love fluid film and use it here a lot in the Northeast. Good stuff and will help.”➕

Fluid Film is widely used in rust protection

“I'm getting a new truck and wondering what the best measures are to protect my 1500 from rusting up.”➕

“I use Fluid Film.”➕

Effective for rust prevention

“This is some good shit.”➕

“It was still fine years later.”➕

Long-lasting protection in humid environments

“A light coat will last a very long time in a garage environment.”➕

Effective rust prevention for long-term use

“Pretty amazing coming from a northeast vehicle that’s been daily driven in the northeast, including winters, for years.”➕

Easy application with spray kit

“I would say it’s a good investment to buy the kit yourself and that way you can be as thorough as you want.”➕

Inexpensive and easy to apply

“Do y’all recommend getting my truck sprayed with fluid film or another rust prevention spray while living in southern Georgia?”➕

“Just be mindful, the stuff smells like butt.”➕

Effective rust protection for new vehicles

“If you are spending time in a rust belt state... then something like annual Fluid Filming is a good idea.”➕

Fluid Film is specifically designed for rust prevention.

“Check out fluid film though. It’s made for it.”➕

Effective rust prevention when applied regularly

“The places I've sprayed have resisted rusting and look new.”➕

“Fluid film will work just as you like.”➕

Effective at preventing rust when used properly

“Fluid film is not a rust neutralizer, it's a rust inhibitor.”➕

“Fluid film slows it down basically but doesn’t completely stop it.”➕

Effective for undercoating application

“Fluid film. Just did my new truck.”➕

“Works well.”➕

Easy to use with spray cans

“Start spraying as you pull the wand out and it will coat the inside while you pull it out.”➕

Prevents moisture trapping under coatings

“Go for Fluid-Film.”➕

Effective rust prevention for older vehicles

“I'm very pleased. Check it out if you live in salt country and hate rust.”➕

“Rust is the only thing that will kill a Toyota.”➕

Easy to apply in hard-to-reach areas

“That's really neat! I think i'll look into that for all the hard to get at parts of my triumph spitfire.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.

Not suitable as a primary undercoating

“I live in the rust belt and would not consider that undercoating, more so just for touching up areas.”➕

Performance compared unfavorably to CRC 3-36

“CRC 3-36 performed better.”➕

Preference for other rust treatments over Fluid Film

“In the US mostly Fluid Film.”➕

“But I did a lot of research on it and most say it is as good, if not, better than the krown.”➕

Requires yearly application for best results

“They say it penetrates, but there's a reason you have to redo it yearly, it washes/wears off.”➕

Compare On All Talked About Dimensions

Product Name	Price	Score	See Details	Buy Now
CorrosionX Heavy Duty Rust Prevention Spray	$26	10.0	Details	Buy
CRC 06026 Heavy Duty Corrosion Inhibitor	$13	9.7	Details	Buy
CRC SP-400 Corrosion Inhibitor	$19	8.7	Details	Buy
Boeshield T-9 Rust & Corrosion Protection	$21	8.3	Details	Buy
STA-BIL Rust Stopper Anti-Corrosion Spray	$12	8.0	Details	Buy
Boeshield BOESHIELD T-9 Rust & Corrosion Protection/Inhibitor	$7	7.5	Details	Buy
RustKote - Rust Fighter Aerosol	$14	7.5	Details	Buy
CRC Heavy Duty Marine Corrosion Inhibitor, 10 oz.	$17	7.2	Details	Buy
WD-40 Specialist Corrosion Inhibitor Spray	$15	6.7	Details	Buy
Fluid Film Powerful Rust & Corrosion Protection Spray	$23	6.7	Details	Buy
KROIL Kroil Original Penetrating Oil 10oz Can	$20	6.3	Details	Buy
KROIL Original Penetrating Oil 13oz Can Case of 6	$151	5.8	Details	Buy
Wuiil Fluid Film Lubricant/Corrosion Inhibitor, 11.75 oz.	$9	5.6	Details	Buy
Fluid Film Rust & Corrosion Protection Spray - 6 Pack	$60	5.5	Details	Buy
CorrosionX Corrosion Technologies 90102 Multi-Purpose Lubricant	$27	5.5	Details	Buy
Rust-Oleum 224284 Stops Rust Rust Inhibitor Spray	$14	2.6	Details	Buy
soikoi CRC 06026 Heavy Duty Corrosion Inhibitor	$56	1.7	Details	Buy
Quicksilver Corrosion Guard Engine Protect Rust Inhibitor	$12	1.7	Details	Buy
Strikehold Marine - 12oz Spray Lubricant	$19	1.6	Details	Buy
Webetop Rust Prevention Spray, 15.2 OZ	$19	1.4	Details	Buy
Eazy2hD Rust Converter for Metal, 1 Quart	$24	1.1	Details	Buy

Core Power Plays

The specs and strengths that make it shine.

Discussion about rust treatment methods

“Sn95 Mustang with some areas of rust in the corners of floor pan. Do I get the surface of the entire”➕

“im 90% sure you are using rust remover on painted over sound deadening”➕

“Yeah, that’s what I think the bubbling stuff is. That thing ain’t rusty”➕

“That's exactly what it us. I call this a win. No rust for op.”➕

Mention of other rust preventative products

“I like using rust preventative made for injection molds.”➕

Discussion about different rust treatment methods

“I was checking the underneath for some reason and noticed some rust in some areas like the frame… it wasn’t so much but it bothered me.”➕

“The fluid film will seal off the exposed metal/rust in your situation. Stopping it.”➕

“It provides some amazing rust prevention.”➕

Discussion about the relevance of rust inhibitors in different climates

“I was told that is was irrelevant just like my car because chromoly is different steel and I'm supposed to wipe my pedals after every ride so they don't rust?”➕

“Rust inhibitors for steel/chromoly frames is absolutely fine, and is a common step in restoration work on vintage frames after evaporust/electrolysis.”➕

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.

Discussion about alternative rust treatments

“I absolutely love this stuff, it has a nice smell too.”➕

“Fluid film is better for only metal.”➕

Discussion on DIY application vs professional service

“I was thinking of trying to DIY before even going up there but if it doesn’t cost an arm and a leg I’ll have a place with experience do it right.”➕

Discussion about applying Fluid Film over rust

“I wanted to see what everyone does before applying it again.”➕

“CRC Marine Corrosion Inhibitor is a step above Fluid Film if you want to go the oil based route.”➕

“Fluid film it before the first storm/road salt.”➕

“hopefully it slows what is already there, and prevents what would have been.”➕

Discussion about using alternative methods for rust protection.

“Don't use rubber undercoating it will just make it rust faster!”➕

Discussion on alternative rust treatments

“any oil/fluid based undercoating is great.”➕

“If you go to a name brand place like Krown, they usually have a lifetime warranty on any rusty parts.”➕

Discussion about combining products for better rust protection

“Wow, that is quite impressive! I bet a combo of this, POR-15 and undercoating would work magic.”➕

Exploration of alternative rust treatment methods

“it's still rustless. I'd love to do the entire underside.”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’

Discussion on effectiveness of different rust protection methods

“Are those considered to be an oil type application?”➕

“Krown/Fluid film. DO NOT use a rubberized undercoating.”➕

Curiosity about rust removal versus prevention

“What about getting rid of rust”➕

Discussion about rust treatment preferences

“My Jeep does its own "rust prevention" by getting oil leaks often enough that the whole bottom side has a thin coating of oil.”➕

General inquiry about the best product for rust prevention.

“Just looking for tips and advice as well as what is the best product to coat the frame with.”➕

Discussion about comparing different rust treatment methods

“It will prolong the life of your vehicle for years beyond a not treated one would.”➕

Curiosity about the effectiveness of various application methods

“So how does it work? Do you just spray literally every part underneath the car?”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.

Concerns about the effectiveness of spray cans vs bulk application

“Unless you’re spraying in sub freezing temps or running some pancake compressor I just don’t see the benefit.”➕

Concerns about rust on new vehicles

“Just wait til the paint starts. My 23 tb already has dime sized rust on the paint.”➕

“It’s not bad but it drives me nuts that there’s some rust cause i just got it.”➕

Concerns about effectiveness of aviation products for automotive use

“I would think that aviation specific anti corrosion products would be 1) expensive and 2) maybe not effective since salt isn’t used on aprons and runways.”➕

Concerns about community responses to rust inhibitor queries

“I'm quite pro rust inhibitor myself. This sub is a mixed bag at times.”➕

Discussion about experiences with different rust prevention methods

“I can clean it up, paint it with rust reformer and get it sprayed yearly with fluid film.”➕

“that shit destroys vehicles.”➕

“GM uses cosmoline (or at least a similar material) on their frame rails on their trucks.”➕

Curiosity about corrosion treatments

“Is there a safe coating I can spray under my vehicle and is it even necessary?”➕