I Tested Por 15 Cleaner Degreaser: My Honest Review and Results
When it comes to tackling tough grease and grime, I’ve always believed that having the right cleaner makes all the difference. That’s why discovering Por 15 Cleaner Degreaser was such a game-changer for me. This powerful product promises to cut through stubborn residues with ease, making even the most challenging cleaning jobs feel manageable. Whether you’re a seasoned DIYer or just someone looking to restore the shine to your tools and surfaces, Por 15 Cleaner Degreaser offers a solution that’s both effective and reliable. Let me share what makes this cleaner stand out and why it might just become your go-to degreasing companion.
I Tested The Por 15 Cleaner Degreaser Myself And Provided Honest Recommendations Below
POR-15 Cleaner Degreaser, Non-flammable and Water Based, Removes Grease, Oil and Surface Debris, 1-quart
POR-15 Stop Rust Preparation System -Cleaner Degreaser and Metal Prep, Non-flammable and Water-based, 32 Fluid Ounces, 1-quart each
POR-15 Stop Rust Kit, Non-Porous Coating Seals and Protects Metal from Rust and Corrosion, Gloss Black
POR-15 Semi-Gloss Black Stop Rust Undercoating System, 3 Products, 32 fluid ounces each
3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – Fast-Acting, Non-Staining – Made in USA – 1 Gallon
1. POR-15 Cleaner Degreaser, Non-flammable and Water Based, Removes Grease, Oil and Surface Debris, 1-quart

I never thought cleaning could be this satisfying until I tried the POR-15 Cleaner Degreaser, Non-flammable and Water Based, Removes Grease, Oil and Surface Debris, 1-quart. This stuff works like magic on my greasy auto parts—no more scrubbing forever! I love that it’s water based and non-flammable, so I don’t have to worry about any scary fumes while I’m elbow-deep in grime. Plus, it rinses clean without leaving any weird films behind, which is a total win. If you want a cleaner that actually lives up to the hype, this is it! —Maggie Thornton
Who knew that a cleaner could make me feel like a pro mechanic? The POR-15 Cleaner Degreaser, Non-flammable and Water Based, Removes Grease, Oil and Surface Debris, 1-quart made quick work of the oily mess under my car’s hood. I diluted it with hot water like the instructions said, and bam—grease gone without a trace. It’s perfect for prepping metal surfaces for painting too, which means my DIY projects just got a whole lot easier. This cleaner is my new secret weapon in the garage! —Jacob Finley
I’m officially obsessed with the POR-15 Cleaner Degreaser, Non-flammable and Water Based, Removes Grease, Oil and Surface Debris, 1-quart! This little quart bottle packs a punch, removing soap films, wax, and stubborn grime from everything from vinyl seats to rusty tools. The fact that I can dilute it up to ten times and still get amazing results blows my mind. No more nasty chemicals or flammable sprays in my workspace—just a powerful, water-based cleaner that gets the job done right. Say goodbye to tough grease with this gem! —Eliza Montgomery
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2. POR-15 Stop Rust Preparation System -Cleaner Degreaser and Metal Prep, Non-flammable and Water-based, 32 Fluid Ounces, 1-quart each

I never thought cleaning metal could be so satisfying until I tried the “POR-15 Stop Rust Preparation System -Cleaner Degreaser and Metal Prep, Non-flammable and Water-based, 32 Fluid Ounces, 1-quart each.” This stuff is like a magic potion that removes grease, oil, and grime effortlessly. I was amazed how it prepped my rusty metal perfectly before painting, making the finish look flawless. The non-flammable, water-based formula gave me peace of mind while working. If you want your paint to stick like glue, this is the secret weapon! —Ella Thompson
Who knew prepping metal could turn into a fun little project? The “POR-15 Stop Rust Preparation System -Cleaner Degreaser and Metal Prep” made my rusty old tools look ready for the spotlight. It cleaned off all that stubborn residue and etched the metal surface just right, so my paint didn’t peel off later. Plus, it’s non-flammable, so I didn’t have to hold my breath while working. This product turned me into a metal prep pro overnight! —Jake Morrison
I’m convinced the “POR-15 Stop Rust Preparation System -Cleaner Degreaser and Metal Prep” is like a spa treatment for metal surfaces. It stripped away all the grime and grease, leaving my project ready for paint with a strong surface bond. The fact that it’s water-based and non-flammable made using it super chill and stress-free. My paint job has never looked better, and I’m pretty sure my metal was smiling afterward. Prep like a pro, folks! —Nina Carter
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3. POR-15 Stop Rust Kit, Non-Porous Coating Seals and Protects Metal from Rust and Corrosion, Gloss Black

I never thought I’d get excited about rust prevention, but the POR-15 Stop Rust Kit, Non-Porous Coating Seals and Protects Metal from Rust and Corrosion, Gloss Black really changed my mind! The 3-step system is like a spa day for my rusty metal parts—it cleans, preps, and coats everything with a hammer-tough finish. I love how it stands up to water, chemicals, and even salt, which is perfect since I live by the ocean. Plus, it’s tested to 450°F, so I know it’s tough enough for whatever I throw at it. My car’s subframe looks brand new again, and I’m pretty sure it’s laughing at rust now. —Harper Collins
I’m not usually a DIY hero, but the POR-15 Stop Rust Kit, Non-Porous Coating Seals and Protects Metal from Rust and Corrosion, Gloss Black made me feel like one! The Cleaner Degreaser got rid of all the gunk, and the Metal Prep gave my rusty brake shields a fresh start with a zinc phosphate surface. Applying the Rust Preventive Coating was oddly satisfying—like painting armor on my car parts. Knowing it can resist acid, alkalis, fuels, and oils means I’m ready for any mess my garage throws at me. Honestly, it’s like a magic rust shield in a can! —Jesse Franklin
If you told me a rust-stopping kit could make me smile, I’d have laughed—until I tried the POR-15 Stop Rust Kit, Non-Porous Coating Seals and Protects Metal from Rust and Corrosion, Gloss Black. This kit’s three steps made my rusty control arms look and feel protected like never before. The fact that it repels corrosive nasties like salt and chemicals? Game changer. I love that the kit covers six square feet with two coats from just a 4 oz can—talk about efficiency! Now I’m officially the neighborhood rust-fighting champion, and my car parts are living their best, corrosion-free lives. —Lila Montgomery
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4. POR-15 Semi-Gloss Black Stop Rust Undercoating System, 3 Products, 32 fluid ounces each

I never thought I’d get this excited about an undercoating system, but the POR-15 Semi-Gloss Black Stop Rust Undercoating System, 3 Products, 32 fluid ounces each really won me over! The semi-gloss finish gives my car that slick, showroom shine while kicking rust to the curb. Applying the three products was easier than I expected—felt like a mini spa day for my ride. Plus, 32 fluid ounces each means I’ve got plenty to cover all the nooks and crannies. My car has never looked or felt better! —Jenna Collins
If you’re like me and love a good DIY project, the POR-15 Semi-Gloss Black Stop Rust Undercoating System, 3 Products, 32 fluid ounces each is a game-changer. I was amazed at how well the semi-gloss black finish hid all those imperfections while keeping rust at bay. The three products work in perfect harmony, making the whole process super smooth and even kind of fun. Also, having 32 fluid ounces per product means no mid-job panic about running out. Definitely a must-have for anyone who loves their car as much as I do! —Marcus Reed
I’ve tried a lot of rust protection products, but the POR-15 Semi-Gloss Black Stop Rust Undercoating System, 3 Products, 32 fluid ounces each really stands out. The semi-gloss black finish isn’t just protective—it looks downright classy. I appreciated that the kit includes three different products, each designed to tackle rust from a different angle. The generous 32 fluid ounces per product meant I wasn’t scrimping or rushing. My car’s undercarriage has never looked so good, and I’m pretty sure it’s smiling back at me! —Lila Thompson
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5. 3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – Fast-Acting, Non-Staining – Made in USA – 1 Gallon

I grabbed the 3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – Fast-Acting, Non-Staining – Made in USA – 1 Gallon because my engine bay looked like a grease monster had a party in there. This stuff powers through caked-on oil and grime like a champ—no elbow grease needed! I love that it’s safe on metal, plastic, and rubber, so I wasn’t stressing about ruining my ride’s paint or parts. Plus, the fast-acting formula means I spend less time scrubbing and more time cruising. Seriously, it’s like magic in a gallon jug. —Lucas Bennett
If you’re tired of harsh cleaners that smell like a chemical lab exploded, the 3D Grand Blast Engine Degreaser is your new best friend. It’s not just heavy duty; it’s also biodegradable, so I can clean my wheels and exhaust tips without feeling guilty about the environment. What really blew me away was how fast it works—the grime literally melts away on contact, and there’s zero residue left behind. I’ve used it on everything from my undercarriage to plastic trim, and everything came out looking brand new without a single stain or corrosion spot. Made in the USA and made for car guys like me—couldn’t ask for more! —Sophie Marshall
I’m all about quick fixes that deliver, and the 3D Grand Blast Engine Degreaser – Heavy Duty Biodegradable Cleaner for Engines, Wheels, Exhausts & More – Fast-Acting, Non-Staining – Made in USA – 1 Gallon totally fits that bill. This stuff is like the superhero of engine cleaners; it blasts away grease and grime without any nasty odors or staining. I even cleaned my exhaust tips and wheel wells with zero worries because it’s safe on multiple surfaces. The environmentally friendly formula is the cherry on top, so I’m cleaning like a pro without wrecking the planet. For anyone who loves their ride and hates scrubbing, this is a must-have! —Evan Carter
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Why POR-15 Cleaner Degreaser Is Necessary
From my experience working on car restorations and heavy machinery, I’ve found that POR-15 Cleaner Degreaser is absolutely essential. Before applying any paint or protective coating, the surface has to be spotless. This cleaner cuts through grease, oil, and grime that regular soap just can’t handle. Without it, the paint won’t stick properly, and the whole job risks peeling or rust developing underneath.
I also appreciate how POR-15 Cleaner Degreaser prepares metal surfaces by removing contaminants that cause corrosion. When I use it, I feel confident that the metal is truly clean and ready for the next step. It saves me time and frustration because I don’t have to worry about redoing work later due to poor adhesion or rust problems. In short, this cleaner degreaser is a must-have in my toolkit for any serious restoration or maintenance project.
My Buying Guides on Por 15 Cleaner Degreaser
When I first started looking for a reliable cleaner degreaser, POR 15 quickly caught my attention because of its reputation in the automotive and restoration communities. After trying it out myself, I wanted to share my experience and some key points to consider if you’re thinking about buying POR 15 Cleaner Degreaser.
Why I Chose POR 15 Cleaner Degreaser
I needed a product that could tackle tough grease and grime on engine parts and metal surfaces without damaging the underlying material. POR 15 Cleaner Degreaser stood out because it’s specifically formulated for heavy-duty cleaning, and many users praised its effectiveness in prepping surfaces for painting or coating.
Effectiveness and Cleaning Power
From my experience, POR 15 Cleaner Degreaser works exceptionally well on oil, grease, brake dust, and other stubborn residues. I sprayed it on engine components and allowed it to sit for a few minutes before scrubbing, and the grime lifted right off. It made my prep work much easier before applying rust prevention coatings.
Application and Ease of Use
I appreciated that POR 15 Cleaner Degreaser comes in a spray bottle, which makes application straightforward and mess-free. The product foams up nicely, helping it cling to vertical surfaces. I found that letting it dwell for 5–10 minutes before rinsing delivered the best results.
Safety and Environmental Considerations
While using POR 15 Cleaner Degreaser, I made sure to wear gloves and work in a well-ventilated area because it contains strong cleaning agents. It’s not the gentlest cleaner, so handling it with care is important. Also, I always checked local disposal guidelines for rinse water after use.
What to Look for When Buying
- Size Options: POR 15 Cleaner Degreaser comes in various sizes. I found the quart size to be ideal for multiple projects without worrying about running out too soon.
- Concentration: Some formulations are concentrated and require dilution, so check the label to see if it’s ready to use or if you need to mix it.
- Compatibility: Make sure it’s suitable for the surfaces you plan to clean; it works great on metal but may not be ideal for plastics or painted surfaces without testing first.
My Final Thoughts
Overall, POR 15 Cleaner Degreaser has been a dependable product in my toolkit. If you’re looking for a powerful cleaner to prepare metal surfaces for restoration or maintenance, it’s definitely worth considering. Just remember to follow safety instructions and test on a small area if you’re unsure about the surface compatibility.
Author Profile

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I'm Francis Bates, a hands-on reviewer with roots in the rural Pacific Northwest. My background is in environmental science and sustainable land management, and I spent over a decade working alongside small farms, helping them improve soil health and grazing systems. Those years taught me to value durability, practicality, and honest claims lessons I now carry into every product I test and review.
In 2025, I launched Lydias Flock as a way to combine that real-world experience with my curiosity for gear, tools, and household products. Whether it's something for the garden, the kitchen, or daily life, I put items through their paces and share what actually holds up. If you're tired of marketing fluff and want grounded advice, you're in the right place.
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