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🧼 Overnight stain removal that works while you sleep—wake up to spotless surfaces!
Overnight Stain Remover uses advanced oil-eating microbes to deeply clean oil, grease, and petroleum stains from porous surfaces like concrete, asphalt, and stone. Its simple 3-step process requires no scrubbing or rinsing, making it an effortless solution for restoring driveways, garage floors, patios, and pavers. The biodegradable, chemical-free formula is safe for home and commercial use, delivering visible results overnight and enhancing curb appeal with minimal effort.









| ASIN | B0BQ4X6JBH |
| ASIN | B0BQ4X6JBH |
| Best Sellers Rank | #916 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Commercial Stain Removers |
| Brand Name | Oil Eater |
| Cleaning Agent Formulation | Degreaser |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 3.8 3.8 out of 5 stars (3,436) |
| Date First Available | December 14, 2022 |
| Included Components | Bottle |
| Item Form | Liquid |
| Item Type Name | Stain Remover |
| Item Volume | 32 Fluid Ounces |
| Item Weight | 2 Pounds |
| Item model number | AOD3232301 |
| Manufacturer | Kafko International |
| Manufacturer | Kafko International |
| Material Feature | Biodegradable Warning |
| Material Features | Biodegradable |
| Number of Items | 1 |
| Product Dimensions | 4.5 x 1.5 x 9.5 inches; 2 Pounds |
| Scent | Unscented |
| Special Features | Oil Absorbent, Oil Stain Remover, Oil-Eating Microbes, Restores Driveways & Concrete |
| Specific Uses For Product | Driveway, Garage, Patio, Pavers, Concrete |
| Surface Recommendation | Concrete, Brick, Stone, Asphalt |
| UPC | 027427323017 |
| Unit Count | 32.0 Fluid Ounces |
K**.
Excellent Overnight Concrete Stain Remover – Worked Better Than Expected
I used this product to remove a stubborn oil stain on my concrete driveway that had been there for months. I applied it in the evening as directed, making sure the surface was clean and dry beforehand. The application was very easy—just pour and spread evenly over the stained area. By the next morning, I could already see a major difference. The stain had significantly lifted, and after lightly rinsing the area, the concrete looked almost like new. I was especially impressed with how well it penetrated deep into the porous concrete instead of just cleaning the surface. What I liked most: • Fast-acting overnight results • Easy application process • No harsh chemical smell • Works on old and set-in stains • Restores concrete appearance without pressure washing This is a great solution for removing oil stains, grease, and other discoloration from concrete driveways, garage floors, or sidewalks. I would definitely recommend it to anyone looking for an effective and low-effort concrete cleaner.
L**A
Amazing! Works on asphalt
This stuff works. Used it on a few very large oil stains on asphalt driveway. I had tried to get them out last summer with baking soda and dawn but there was always a noticeable brown circle left. These stains were about 9 months old. Put this stuff on, maybe too thick, because it took awhile to dry. Once dry you could see the white residue was brown tinged. It sucked the oil right up. Highly recommend.
P**K
It actually works...
This product was recommended by a relative so I decided to give it a try. It is a white, slimy lotion out of the container, then spread it on the oil stain on the driveway. Leave it to dry and then use a stiff brush to scrub away the white scab that becomes a white dust when scrubbed. One very minor complaint is that there seems to be a lighter "stain" on the driveway on the treated area that looks like new concrete. It goes away after a good rain, which we haven't had much for months. In summary, it works and I would buy it again. One final comment...4 stars is very good review! I generally don't give anything 5 stars for anything as that strikes me as being perfect and nothing is perfect, me included!
D**D
Great on removing greasy spills on patio pavers -- if you use it right away.
this stuff does a great job of removing greasy spills on my patio pavers, as long as you put it on early. If you wait a day until the greasy stain dries, it does not work so well. But, catch the spill early and works very well.
G**B
It Works -Amazing, the stains are gone!
This stuff is AMAZING! It worked on the first try. I bought 1 bottles and I was very liberal covering every inch of a few spots on my driveway. I layered it on everywhere, scrubbed it and then evened it out. I put it on after the sun had gone down (I'm in AZ and I was worried it would dry out too quickly). Then things got busy and I probably left it on for 2 days. It took more than one day for every single spot to completely dry out, maybe because I had it on there so thick. The stains are GONE! Completely. I wish I had taken before and after photos. I had done some research on the microbes for eating up oil stains like this and I'm convinced that is the key. You can't go wrong with this stuff - I am a very happy customer!
H**Y
I wouldn’t use on asphalt.
Arrived quickly which was nice. The bottle was larger than we had expected. We applied per the instructions. It did work but not very well. It did lift the oil but it also seemed to disintegrate and lift the asphalt. I would think it would best for concrete only. Their was no smell or odor. We did try to wash away any excess after following directions but we still have giant white patches.
T**S
Amazing product!
I hardly ever write reviews but after using this amazing product I felt compelled to. I had oil stains on my pavers. I applied the product waited 12 hours then brushed the residue off. Then I washed the pavers with my garden hose. The stains were completely removed! Incredible!
B**X
Second try perfect, I learned how to really use it.
New Review: Tried again, I let it set & sit for 3 days, easily brushed it off into the wind on a warm windy day. Looks great. Happy customer. Pro-Tip: I lightly scrubbed it into the oil spot, let it set & extract oil for 3 days, then brushed it all away. Old review: I have very light grey colored concrete. Followed the directions exactly and only got minimum results. Brushed off then washed the residue, but now have white residue all over my driveway even after washing & scrubbing. I can only guess, but perhaps I should have left it on the stain for 2 or 3 days instead of the recommended 12hrs which I did.
D**.
I followed the directions and it did not remove the oil stain.
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