“My boy was conducting a precarious science experiment and dumped vegetable oil on the patio. The concrete is 4y old and professionally sealed. Water has zero effect.”source ↗

“High pressure hose works slowly, but stream is too narrow it would take forever. Plus it leaves a line if it’s a narrow stream.”source ↗

“I’m a new homeowner who has been too busy to seal my granite and now regretting it after butter leaked into my countertop and has set for a week.”source ↗

“The original stain was no more than 4” x 2” after I tried Google’s recommendation of putting baking soda and water to sit on the countertop for 24 hours I now have this HUGE stain.”source ↗

“I tried power wash (dawn and the machine) and it didn't make any difference”source ↗

“What can I use to remove? Mineral spirits and acetone not working.”source ↗

“Cover the stain thickly with baking soda, cornstarch, or clay cat litter. Let it sit for several hours or overnight to draw the oil out of the pores.”source ↗

“Once you cover it with whichever powder you choose, put damp towel over it and warm the area with an iron…..yes, an iron. It will draw the oil and powder together.”source ↗

“Dawn concentrated dish soap. I've used that to lift car oil before.”source ↗

“We had clay pellets, we put them on the stain, and then-- this is the important part-- we ground them into the concrete with the heels of our boots.”source ↗

“After soaking up the majority of the spill I can't get the stain out...”source ↗

“I've tried warm water and soap, gumption, vinegar, and a whole lot of scrubbing to no avail.”source ↗

“I have to move house in a week so mildly panicking right now.. please help.”source ↗

“My kid made this wonderful drawing on our patio with an expo dry erase marker. It’s not dry erasing from concrete at all.”source ↗

“Advice on cleaning? I’ve tried alcohol and nail polish remover so far with a cloth but no luck yet.”source ↗

“I don’t mind it but we are trying to sell the house soon”source ↗

“We finally ripped the DISGUSTING carpet out of my screened in patio today!! I knew the floor underneath was gnarly, but I didn’t know how bad it would be until the carpet was out.”source ↗

“Ideally my finished floor would be either painted or stained concrete. Anyone have any advice or ideas for me?”source ↗

“I would like to remove it, especially since they are not one of my favorite teams. Is there a cheap way to get rid of it?”source ↗

“I could go the pressure washer route but trying to save some cash.”source ↗

“My 3 year old drew on our bluestone steps with washable marker but no matter what i do it wont come out.”source ↗

“i soaked it in down, lathered it up with water and used a brissle brush... let it soak for 15 mins or so then kit it with the jet setting on a regular hose.... did nothing lol”source ↗

“Tried scrubbing these with dish soap but refuses to come off. Spills from bbq grilling.”source ↗

“HOA is whining about small drips from deck staining on concrete though it been there for over a year. What can I use to remove? Mineral spirits and acetone not working.”source ↗

“I also tried Goo Gone Pro but my brush might’ve not been stiff enough.”source ↗

“Hey guys so I have about a 130 sq ft bedroom that has painted concrete floor. I’m looking to strip the paint to expose the bare concrete and stain it. I like the idea of renting or borrowing a wet floor sander and avoiding using strippers and harsh chemicals in my house.”source ↗

“oh man i did the same thing in my garage last year, do not underestimate how much dust that sander is gonna throw even if its wet. i taped plastic over every doorway and still found dust in my kitchen for weeks”source ↗

“The same chemical used to sanitize your pool water, chlorine. If you don't use liquid chlorine, you can use household bleach, just Google the recommended dilution level for removing biological stains from porous surfaces whether it is concentrated pool chlorine or household bleach. A pressure washer would also do the trick.”source ↗

“i'd add a little dish soap with the oxyclean and scrub with a stiff brush, let it sit for 10 before rinsing”source ↗

“I have two concrete pavers that have some sort of staining.”source ↗

“The store I purchased them from said it was efflorescence but I have a feeling it’s staining from the brick cutting process.”source ↗

“What do we think it is and what’s the best way to clean it?”source ↗

“I called the supplier who recommended an efflorescence remover but it had zero effect. We have then stepped up to a concrete cleaner (mix of sulfumic and hydrochloric acids) that has also had zero effect, except for leaving a slight hazing on the surface.”source ↗

“Do I just have a damaged batch of paving tiles here? Should I be getting a refund?”source ↗

“At a loss as to what to do. Does anyone have any experience with something similar?”source ↗

“that's some aggressive staining right there, like the ducks had a vendetta against those pavers”source ↗

“I think it’s just concrete dust but I scrubbed it with a nylon brush and not water (with dish soap). It looks like it comes off when wet but once it dries, the stain comes right back.”source ↗

“Had a pool safety cover installed yesterday and the drilling left white marks all over my concrete pavers and coping around the anchors.”source ↗

“Tried scrubbing with dish soap and water, and power washing…but no luck. Marks disappear when wet and come right back when dry.”source ↗

“Looks like the stone has been stained from the mortar when grouting.”source ↗

“When first applying sealer and wet it looks good but when dry you see cloudy shadowing around the edges.”source ↗

“What can I do to keep the wet look and remove the white staining.”source ↗

“I removed carpet from this remove and want to install floor tile 18x18. Does the concrete have to be completely clean? Or can i remove the heavier paint stains and what method is fastest?”source ↗

“I changed my oil in my apartment complex and I got a couple drops of oil on the concrete. I thought that since it was just a couple jobs I could spray some brake clean and dab it up with the paper towel and call it a day but the next day all it did was turn into a giant oil circle that got bread because of the brake clean lol.”source ↗

“About 16 hours after the oil change, I put oil dri on it for an hour, swept it up, and then used zep industrial degreaser over the stain and tried rinsing it but it's still just as dark on the concrete. How the hell do I get this up? lol”source ↗

“My apartment complex is probably going to charge me for the cleanup unless I do it myself and I want to be self-sufficient. Help!”source ↗