Water than moves the rust particles and leaves streaks. You will know it is working when it bubbles. You should only use this if you. It's worth noting that for most stains and the general cleaning of concrete/cement, Muriatic acid is very effective and inexpensive. Mix a solution of 1 part muriatic acid to 8 parts water in a bucket. 3 concrete ways to remove dried cement from the floor tiles Floor tiles aren't hard to maintain but they do require some basic cleaning and maintenance to retain their charm. Rinse and repeat that twice and it was pretty much all up. It may extract some out of the concrete. Concrete is a hard and durable building material. alkalis and remove the white powdery stains, but. Despite its effectiveness, muriatic acid should be used on concrete stains only if you've tried gentler alternatives to no avail. Concrete is porous so acid will take off a layer of cement but will not go deep to pull out oil. One time when I was an apartment cleaner, the slightly crazy foreman poured muriatic acid on a fresh paint spill in the garage I was cleaning. It is very important to keep the entire area wet until completion of the etching process. How to Remove Muriatic Acid Stains From Concrete Step 1. Then used 64 oz (2 bottles - $25 ea) of the magenta stuff and about 23 lbs ($35 / 5#) of the calcium scaling and copper stain remover. Alternatives such as Acid Magic exist that have low fumes and are less hazardous to work with. Use the solution to completely and thoroughly clean the concrete surface. Thus, you'll have to tread carefully here - try using some SureClean (it's a cleaning product) on the affected area and wash it away with water. Muriatic acid is diluted hydrochloric acid and is a very potent chemical. A pet supply place may also have some type of enzyme for cleanup. Almost Any Mark or Stain If nothing above works you have to go for the ugly stuff--muriatic acid (dilute hydrochloric acid). Oil Stain Removal Video. Paint stains on concrete completely disappear using this method, leaving you with a clean surface for repainting if necessary. Acid etching of concrete. One of my customers has white spots in their concrete countertops after cutting lemons and limes on the surface. All personnel should be trained in safety around a drained pool, and those doing the acid wash should wear protective clothing and breathing mask rated for acids. Here in Tampa, Muriatic Acid is common, used for swimming pools. (Muriatic acid is available at many home centers and full-service hardware stores for about $6 a gallon. How to remove a water-based concrete sealer: Use a product such as Aqua Mix's Sealer and Coating Remover. To remove soap scum and hard water deposits from a tile wall in a bathroom, mix one part muriatic acid with five parts water. The acid will eat through the lining material, and you’ll most likely have to replace it. If the stains are deep and intense, use the vinegar or lemon juice full strength. Muriatic acid is a form of hydrochloric acid that dissolves mortar. Using Vinegar To Clean Brick, How To Use Muriatic Acid To Remove Mortar From Bricks, How To Clean Motar From Bricks With Muriatic Acid, Using Muriatic Acid To Clean Brick, How To Use Muriatic Acid To Clean Concrete Off Brick, Brick With Muriatic Acid Cleaning, How To Clean Mortar Off Bricks Muriatic, Remove Paint From Brick With Muriatic Acid, Brick Cleaner Acid. A bottle of muriatic acid has leaked onto our concrete floor in our basement. Brush the acid over the concrete. You may use concentrated vitamin C or ascorbic acid to remove metal stains. You have to get muriatic acid from a hardware store if they still sell it. For especially stubborn spots, muriatic acid may be the solution to your soiled driveway needs. Muriatic Acid MethodYou Will Need:Muriatic Acid (aka Hydrochloric acid)Rubber glovesProtective eyewearWaterBucketConcrete sealantSteps to Remove the Stain:Begin by taking the necessary precautions to protect yourself against the harmful acids. If you are trying to make an o. I had a couple of old cars leak oil and power steering fluid on my driveway and my HOA was on my butt. The acid will not remove oxidation and will leave pitting on the pontoon. Acid reaches metal and oxidizes (rusts) it. Featuring Q/A postings from the Ask a Pro Series at Concrete Camouflage, on staining concrete floors and exterior, along with sealing concrete, waxing floors, and much more. Muriatic acid is generally too strong for use on wood. Thus, you’ll have to tread carefully here – try using some SureClean (it’s a cleaning product) on the affected area and wash it away with water. Using a roller or sprayer, apply the acid stain. I think I used Thompson's water seal before on a new driveway and wasn't too impressed. Muriatic acid works by etching the concrete, so always leave the acid on for less time if you have any doubt about the severity of the stain or the amount of time needed to remove it. Follow the warning and instructions on the bottle, and be sure to wear rubber gloves and eye protection. Solutions To Remove Iron Stains On Concrete Using A Wire Brush And Water. You can also try acid etching the concrete (followed by neutralizing) You can mechanically scarify the concrete to remove the previous sealer. When the pool is refilled you may notice that the surface is a little more coarse (or etched). While a concrete acid stain looks unpleasant, acid-stained concrete floors are usually a popular choice for the driveway or the patio. How to remove a water-based concrete sealer: Use a product such as Aqua Mix's Sealer and Coating Remover. Table of Contents:Muriatic Acid MethodBleaching MethodSandblasting MethodAdditional Tips and Advice advertisement David asked: How do I remove wood stain from concrete? My next door neighbors sprayed their wooden fence with wood stain, and it has covered the side of my house (roughcast) as well as paving stones and stones all down the side of. For acid solutions, mix a 10% solution of muriatic acid (9 parts clean water to 1 part acid) in a non-metallic container. Concrete Acid Stain is not an over coat, but is an opaque, penetrating color that permanently. Both these items are available at hardware stores or building supply outlets. 4th - if the bleach doesn't get the stain up enough, you can also use a concrete etch solution. Repeat the procedure until the stains disappear. Do this step on a warm sunny day. Cement Stain on Our Asphalt Driveway. Restore with a specialty contractor - polished concrete contractors are typically experienced in fixing problems in polished concrete floors. The longer it soaks, the less you have to scrub. A solution of 40 parts water to 1 part muriatic acid, a scrub brush and cotton rags will help remove the stain. Be careful to follow the manufacturer’s instructions and use safety gear like goggles and gloves. This needs to be done to smooth concrete. You may have to use it multiple times to get a really deep stain out. The company I purchase stain from stress to never use red chalk, only blue for marking lines. CERTOL’s Acid Magic® is designed not to damage stone and other materials in the way standard muriatic acid can, but we always recommend testing the product first and taking precautions. Art restorers in Valencia, Spain, were able to erase efflorescence from 17th-century frescoes by Antonio Palomino in the Church of Santos Juanes by using special bacteria selected to eat the salts and glue residue on the art. Using too strong a solution will result with the surface of the concrete being eaten away. Is there anything I can do to restore the appearance and texture of the concrete without having to pour new concrete in the problem area. Any type of urine from mammals, whether it is human or pet urine, contains uric acid crystals, which can only be removed by using an enzyme based cleaning product. It's coming up one way or another. This is a kind of accelerated weathering. Muriatic acid is the strongest acid available to the public. Concrete stripper (sealed concrete only) Concrete cleaner or degreaser. Almost Any Mark or Stain If nothing above works you have to go for the ugly stuff--muriatic acid (dilute hydrochloric acid). Keep in mind that acid stains are not soluble in water. These work to remove rust and copper stains from all kinds of pool surfaces. If the stains remain, scrub the driveway with one of the following: laundry detergent and water or TSP (trisodium phosphate) and water or washing soda and water. If the surface is highly alkaline, wash with a mild solution of H&C Concrete Etching Solution or Muriatic Acid. Then, apply and scrub in liquid enzymatic cleaner. The acid etching process will remove the old concrete sealer completely from the concrete slab. It’s also effective for removing excess wet mortar from bricks. Its mild acid and foaming agent also dislodge unwanted concrete deposits from glass, metal, most plastic, painted and wood surfaces. The muriatic acid eats up oil and grease and produces unpleasant odors; so, be sure to keep the area well ventilated. The longer it soaks, the less you have to scrub. Perhaps the coolest tool ever invented (another one of Andrew Pansini's designs), the Stain Master siphons liquid acid (muriatic acid) from a bottle on the deck, and delivers it to the pool surface, beneath a 3" round cup. The other type of active cleaner is bacterial. You will know it is working when it bubbles. However, it is not recommended for this purpose. Neutralize any acid residue on the etched concrete with a diluted Simple Green solution. Before washing your driveway with muriatic acid, try a degreaser on oil stains and a solution of one part bleach to three parts water on mold and mildew. Building a homemade scrubber that uses muriatic acid is a great way to remove stubborn "old" stains that are scattered around the surface of the pool. Muriatic acid is a sure way to clean masonry surfaces. Heavy accumulation or stubborn deposits of white efflorescence salts can usually be removed with a solution of muriatic acid and scrubbing (1 part acid to 12 parts water -- this is a real acid, follow precautions on the label). For especially stubborn spots, muriatic acid may be the solution to your soiled driveway needs. ACID Magic is equally active upon oxides of metal when compared to standard muriatic acid. Pour the cleaner directly over any rust stained areas, letting it sit for about five minutes before wiping clean with a moist towel. To put an epoxy coating on a garage floor, first prepare the floor by removing any previous coatings, stains, or residues so that the epoxy will be able to tightly bond to the surface. Using too strong a solution will result with the surface of the concrete being eaten away. (Muriatic acid is available at many home centers and full-service hardware stores for about $6 a gallon. The acid is widely available at home supply stores. With these steps on how to acid stain concrete, you'll achieve a marbled effect on your patio, driveway, or basement floor. As a last resort, I've used muriatic acid on my bluestone patio. Put the 90% water in a bucket and add the acid to it. If you do it quickly, I would try grinding some kitty litter (with your foot) into the spot. The amount of water mixed in with muriatic acid will depend on how tough the stain is to remove. What's the best method for removing acid stains? Answer: White spots from lemon juice and other acids are actually not stains at all. Heavy stains may require a pressure washer. How to Neutralize the Stain and Rinsing off the Residue. Muriatic acid is one of the names for hydrochloric acid, a corrosive strong acid. Put the 90% water in a bucket and add the acid to it. Now the sealer has turned white. It can be used as a cleaner to get out tough stains—but it should be handled with caution, since it's highly corrosive and poses the risk of burning to anyone who comes in contact with it. Sunnyside Green Envy Muriatic Acid - Cleans and prepares concrete prior to coating and sealing. The surface becomes "etched" and clean, which allows for the proper adhesion of a new coating. It cleans concrete by removing the topmost layer of your driveway; use it only as a last resort to clean stains. Phosporic Acid: Effective for both concrete and tile, phosporic acid is an especially good way to remove rust stains in the basement, and it works well on lime, efflorescence, grime, and hard-water deposits. The workers tried to remove the stain with a brush and clorox yesterday but the stain is only slightly better. In case the grease stains has already penetrated the pores of the concrete, it will be even tougher to get rid of it. Then you will have to sweep up the litter, and clean the oil spot with a degreaser. Clean Concrete with this Multi-Purpose Concrete Cleaner. Clean the stain with a sponge soaked in cool water or flush with a high-pressure garden Step 2. It is safest to try a milder cleaning agent first before moving on to something more caustic. "Muriatic" means "pertaining to brine or salt". Can I Acid Wash a Pool Myself? Acid washing is not for the faint of heart. To remove soap scum and hard water deposits from a tile wall in a bathroom, mix one part muriatic acid with five parts water. It’s also important to note that acids will not clean oil from concrete. Once the paint was lifted we found a horrible concrete surface that required an acid etching/cleaning effort to remove the streaks, stains and muck on a carport floor neglected for over 20 years. After 60 years, it is still one of North America's prime choices for staining concrete because it. Remove Oil and Grease Stains. Muriatic acid is highly corrosive and must be used with caution. To remove the applied solution from the concrete, wash away the affected area with plain water using again the garden hose. If you do use it, do so with gloves and rag in a well-ventilated area. Buffering agents prevent burns to intact skin. The acid etch removes this layer and exposes the sand in the matrix. I did not realize it happened until I saw the area of concrete discolored, rough and porous. It is also known as spirits of salt or acidum salis. Try a decent paint stripper, or even a strong degreaser. Acid cleaning is the process of removing the various types of stains, tarnish and general discolouration from metals or masonry. Always use an acid replacement, which is much safer. Acid Magic Muriatic Acid Stain & Rust Removal - for Cleaning Tiles and Concrete Check Price. Immediately p ressure wash the porch to remove any traces of acid and ammonia. Follow the warning and instructions on the bottle, and be sure to wear rubber gloves and eye protection. Removing Concrete Stains & Concrete Stain Removal. Repeat the procedure until the stains disappear. Mix together to create a paste. Making homemade acid stains for concrete. Adjusting Pool Alkalinity with Muriatic Acid. You may have to use it multiple times to get a really deep stain out. Never use a metal scraper, screwdriver or other tool. The chemical formula for muriatic acid is HCl. Muriatic acid is an effective way to manage swimming pool. Don't use hydrocloric acid (muriatic) as you are only going to ruin the concrete and obtain nothing. But be sure not to use it while on a concrete driveway it will eat holes if not washed right off. All forms of cures and sealers must be removed. Here are some methods that can be used to remove the stain from the concrete. Vinegar is about as acidic as oxalic acid, but oxalic acid is stronger at removing rust (and oils as Ric discovered on asphalt) than vinegar. If Plan A doesn’t do the trick, then it’s time to bring out the big gun — muriatic acid. When the pool is refilled you may notice that the surface is a little more coarse (or etched). Acid stains create the most unique, striking color to concrete surfaces. A mixture of muriatic acid of 4 parts water to one part acid will make the cleaning a. The solution is usually made with two parts water and one part muriatic acid for a 10% solution. Strip and remove all previous sealers, paints, adhesives, and coatings. How to Neutralize and Rinse Concrete Acid Stain After the concrete properly dries, it's time to unveil the artwork and see what color the concrete has really become. That's not necessarily a problem on concrete where it won't be noticed, but it is a problem for you. Apply Sure Klean 800 Stain Remover following label instructions. How to Carve and Stain Old Concrete: Old concrete can look neglected and cracked. Sulfamic acid products are used for this same kind of cleaning. Put the 90% water in a bucket and add the acid to it. Adjusting Pool Alkalinity with Muriatic Acid. Step 2 - Clean the Concrete. Klean-Strip® Muriatic Acid. To use the chemical to remove rust stains, dilute it and take the proper precautions so it doesn't damage your surface or sting your eyes or. It can also be used for removing paints and other substances from surfaces like bricks, concrete and stone that can't be cleaned easily. I think I used Thompson's water seal before on a new driveway and wasn't too impressed. Removing Concrete Paint Stains with a Power Washer. Concrete is a hard and durable building material. Muriatic acid is the type of acid that is typically used for etching concrete. You should only use this if you. Which comes first," someone asked Ira Gershwin, "the words or the music?". The acid will remove a minute layer of concrete, so use a broom to spread the solution evenly, and plan to treat the whole surface, not just a spot. Muriatic Acid is a corrosive liquid used for cleaning and etching stone, brick, concrete, slate, etc. With 90% lower emission of fumes than standard Muriatic Acid, Klean-Strip Green Muriatic Acid is the earth-friendly way to brighten masonry, etch concrete, remove excess mortar from bricks and clean algae and scum. It cleans concrete by removing the topmost layer of your driveway; use it only as a last resort to clean stains. Clean residue thoroughly and pour water onto floor to approximate the final color. Acid and impurities in the acid are rapidly absorbed by porous masonry and cannot be thoroughly water-rinsed. If acid does not work, then the only other means you have available are chemical top coats. How To Clean Concrete Stains. Both these items are available at hardware stores or building supply outlets. Mix a solution of 1 part muriatic acid to 8 parts water in a bucket. Remove Spray Paint Method #9: You can try using Acetone to remove spray paint from concrete, but this is a harsh chemical and should be used as last resort. Strippers and chemical cleaners are available that will remove most stains (not all). This stuff cleans by etching away the concrete so, you want to rinse it off as soon as the stain's gone. It's also useless to try to soapify it with sodium hydroxide: engine oil cannot be made into soap, it's not vegetal oil. Turn to an alkaline degreaser to remove oil and grease with a power washer. For really hard-to-remove oil stains, you can use muriatic acid and pressure washer as a last resort. Concrete is a hard and durable building material. If the stones are dry, the acid can stain them, turning them a yellowish-green color. This means that water alone will not do much in regard to removing the orange-colored stain. The workers tried to remove the stain with a brush and clorox yesterday but the stain is only slightly better. Concrete is porous so acid will take off a layer of cement but will not go deep to pull out oil. A solution of 40 parts water to 1 part muriatic acid, a scrub brush and cotton rags will help remove the stain. The life of the stains depends on the quality of your concrete surface. Concrete Stain. Masonry projects that use cement products, like mortar, concrete, and grout, can be messy. You’ve pressure-washed it, you put a degreaser, you used muriatic acid, you used kitty litter. That is why it is used to remove mortar from walls and the like. (Muriatic acid is available at many home centers and full-service hardware stores for about $6 a gallon. Rust, oil, grease, paint or glue stains each have a recommended stain removal technique. Acid washing depletes the lime. Expert advice from Bob Vila, the most trusted name in home improvement. It will also discolor your trailer. NEVER pour Muriatic acid on dry concrete. Muriatic acid is actually used by contractors to clean and prep concrete before projects, so you can expect an excellent result from the use of the product. Once acid stained, the color of the concrete is permanently altered. Normally you can with no problem, however if the concrete is in bad shape it may blow chips from the top coat. The most important step of an ACID STAIN project is preparation of the surface. Let it sit on the stain at least overnight. Muriatic acid is highly corrosive and must be used with caution. The other type of active cleaner is bacterial. Concrete Sealers can be removed with mechanical means such as sandblasting or grinding. Applying acid stain to concrete can give new life to plain, and otherwise dull looking surfaces. Muriatic acid can quickly remove mortar stains from masonry. Muriatic acid, that which is sold in some hardware stores is a diluted form of hydrochloric acid, and will clean up concrete, as it eats at the "lime" in the cement. This is the best and most effective product we have ever found for removing these tough mineral deposits and stains from concrete, pavers, brick, block, stone and masonry. Painting or sealing a concrete surface is a good way to prevent staining. It doesn’t require much work. Strippers and chemical cleaners are available that will remove most stains (not all). If you washed down the area right after the spill, there is likely to be little residual acid there. However, you must be cautious because you will be working with dangerous chemicals. You must clean muriatic acid spills with caution. At OneHowTo. Removing Concrete Paint Stains with a Power Washer. The acid will break down the concrete so it can be removed. Let's Go Cleaning will show us how to get rid of rock stain from concrete. We plan on using killz on the wall, but I want to make sure the smell doesn't come back 3 months from now also. Strip and remove all previous sealers, paints, adhesives, and coatings. This means that water alone will not do much in regard to removing the orange-colored stain. Scrub with a thick bristled brush to remove stains. VIVID™ Acid Stain assists in the creation of an aged, mottled and antiqued color that is one of a kind. Allow the degreaser to sit on the spot for a few hours. I am attempting to acid stain my stamped concrete driveway. There are many ways by which paint stains can be removed from concrete flooring. Dip the brush into the solution and apply it to a small area first. Once repairs are made, then clean again. Be sure to rinse it off completely with a hose or water from a bucket, since muriatic acid is a dangerous chemical. Vinegar is about as acidic as oxalic acid, but oxalic acid is stronger at removing rust (and oils as Ric discovered on asphalt) than vinegar. If the stones are dry, the acid can stain them, turning them a yellowish-green color. My friend and I ran the fuck out of there as a toxic-looking yellow cloud filled the air. Acid etching of concrete. Davis Company. Muriatic acid may etch concrete, however, so it should only be used if the vinegar and water solution does not work. Commercial laundries often use oxalic acid to remove rust stains from fabrics and it will really work well as it chemically reacts with the iron oxide in the concrete. Mix 2 to 5 ounces of dish detergent in a 5-gallon bucket of warm water, spread the mixture on the stains and scrub with a scrub brush. It's toxic, it can cause severe skin burns and it can blind you. How To Clean Concrete Stains. Muriatic acid can also be used to remove an old oil stain, but you run the risk of etching the concrete by mistake. Always use the proper precautions when cleaning pavers with hydrochloric acid, as it. I did not realize it happened until I saw the area of concrete discolored, rough and porous. com, we'll help you to restore the natural look of your floor, so read on to find out how to clean acid-stained floors. After a few hours, a little scrubbing should remove the rust stains. Let it sit on the stain at least overnight. How to remove a water-based concrete sealer: Use a product such as Aqua Mix's Sealer and Coating Remover. Muriatic acid is the type of acid that is typically used for etching concrete. Then clean the area with a clean cloth. These stains can be very difficult to remove. I hosed it off, waited a day or so, and applied the stain with a sprayer, following the manufacturer's directions. Sometimes muriatic acid is applied to etch and remove any curing compounds left on the concrete surface. However, using muriatic acid in a device like this can cause the plaster in the spot you are working on to bleach and become lighter than the rest of the surface. Most mechanical processes for removing sealers and coatings involve grinding,. Concrete Stain Concrete Stain >Artist Grade Concrete Stain >Pro-Etch Acid Stain >Fiesta Stain - Economy; Project and Sample Kits Project and Sample Kits >Concrete Acid Stain Sample Kits >Exterior DIY Kits >Interior DIY Kits; Concrete Staining Supplies Concrete Staining Supplies >Cleaning and Prep Supplies >Tools of the Trade and More. So, how do you get oil stains out of concrete? There are several tricks for getting oil stains out of your garage floor which include, brake cleaner and a scrub brush, cat litter, quick cement mix, laundry detergent, and muriatic acid. One effective way to remove rust from concrete is to dissolve the surface layer of concrete using a mild muriatic acid solution. Applying a concrete dissolver is one tactic used to soften old mortar on masonry tools, equipment, and vehicles. Rinse the acid wash (don’t use a pressure washer – it can drive the acid into the slab). Buffers with black pads or sanding screens can also be effective. It is excellent for cleaning away rust stains and efflorescence, but must be used with extreme caution. Blend one part muriatic acid with 10 parts water. Calling All Clean Freaks - How To Remove Oil Stains From A Driveway? I've got 5 gallons of muriatic acid in the garage, How To Remove Oil Stains From A Driveway?. Then you will have to sweep up the litter, and clean the oil spot with a degreaser. Painting should be delayed if efflorescence continues. Also scrape up any lumps of dirt, paint, glue, or anything else that is on the floor that would make it not smooth. It can be used as a cleaner to get out tough stains—but it should be handled with caution, since it's highly corrosive and poses the risk of burning to anyone who comes in contact with it. For mortar that you can't remove regardless of what you do, using muriatic acid to remove the stubborn mortar may be a good solution. Wear safety glasses and long sleeves, long pants, and gloves any time you’re working with acids! If you have lung. Remove Stains from Concrete Most concrete stains can be removed quickly and easily, but a lot depends on how old the stain is and how porous the concrete surface is. Wet a soft cloth and wipe away the mixture. Muriatic acid is about 30% hydrochloric acid, making it an exceptionally dangerous household chemical, it should only be used by the typical do-it-yourselfer as a last resort, and then only outside. Be careful to follow the manufacturer’s instructions and use safety gear like goggles and gloves. Next, clean with a 2:1 vinegar/water mixture and rinse off concrete. DO NOT USE MURIATIC ACID TO CLEAN as you may destroy important minerals necessary to produce the desired color you selected. Adjusting Pool Alkalinity with Muriatic Acid. I've successfully removed many fresh oil stains from my own concrete driveway using a standard nylon bristle scrub brush that I purchased at a local grocery store. Using too strong a solution will result with the surface of the concrete being eaten away. It will also discolor your trailer. Do this step on a warm sunny day. Battery acid leaves orange or darkened stains that etch the concrete's surface, changing its texture as well as its color. Zud, Rust Away and even muriatic acid doesn't have much effect. Lime deposits occur in hot water pipes when minerals from hard water deposit on the inside or outside of the pipe. Let the mixture sit for 15 minutes, then scrub off using water and a stiff brush. You should only use this if you. com or call 877-255-2656. Muriatic acid is a strong acid cleaner used on masonry surfaces to clean stains. Make sure you wear your respirator and gloves, and lean as far away from the bucket as you can to minimize any danger of being splashed. You will know it is working when it bubbles. It doesn't matter if the concrete is 1 month old or 10 years old, acid stained concrete can be done on just about any type of concrete, old or new. " These are just a couple of the myths or just plain wrong recommendations concrete contractors may have come across recently. also protect any metallic area of the tub from contact with the acid. Rinse quickly and thoroughly. How to Clean Blood From Concrete Step 1. Originally published 1972. While preventing buildup while you work is the best defense, you cannot always do so. The walnut liquid has probably been absorbed into the concrete. I used Next muriatic acid and the recommended dilution was 1 part acid to 12 parts water. How To Acid Stain Concrete Floors, Patios or Basements In 4 Simple Steps Ever since publishing an article last summer about using acid stain on the concrete floors in our Simple House, we have been bombarded with requests for more information. 3 Neutralizing the Surface and Removing the Residue Once the residue has dried and the stain has been given at least the recommended minimum time to react, the surface should be. ALWAYS hose down the surface first. This concrete floor brings out an air of old elegance to any home. The sealer is Dustone Clear Lacquer Sealer. Most mechanical processes for removing sealers and coatings involve grinding,. Rinse the degreaser and allow the floor to dry. Then you can clean it with a broom and water. This product is a very strong acid that will clean dried cement products off stones, bricks, and other masonry surfaces. Muriatic acid dissolves cement and etches it for a good bond if that's what you're trying to do -- but it does not clean it in the sense of removing oil or dirt. Solid colors, borders or stencils are great tools for painting concrete floors. Below I've collected tips for removing oil stains from concrete and driveways, so you can clean up after these messes and get on with your life. You can seal the concrete as well to make it easier to clean next time. It works best if you divide the concrete up into sections and apply even strokes that do not overlap (it will leave streaks if. Remove Spray Paint Method #10: If all else fails you can try using Muriatic acid to remove spray paint from concrete, but this is a harsh chemical and should be used as last resort. No problem. Because of the presence of the muriatic acid, the acid stain will not react with this treated surface. Mix muriatic acid with water. The Center for Disease Control recommends that you use a respirator specifically designed for hydrochloric acid, a chemical resistant suit, gloves, face shield and goggles. Use care in cleaning battery-acid stain. Then you will have to sweep up the litter, and clean the oil spot with a degreaser. When working with an acid solution, take precautions to protect any exposed areas of your skin and make sure you wear a face mask, as well, to prevent inhalation. This occurs because the acid used to clean the pool will remove (dissolve) a small amount of the fine surface cement exposing the coarse aggregate beneath. Scrub with a scrub brush and rinse.