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  • Translucent variegated or marbled finish
  • Interior/exterior concrete stains
  • Reactive stain creates unique results with every slab
  • NOTE: EverStain acid stain must be sealed after application

    How much do I need to stain my concrete?

    It will depend on the square footage of your application.

    The coverage rate is 200 square feet per gallon (2 coats) depending on concrete porosity. Two or more coats are required.

    Your answer will appear here.

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    Product Tabs

    Product Details

    Acid stains produce unique and permanent color effects in concrete, self-leveling topping systems, gunite, cement plaster, stucco, shotcrete, limestone and other cement based surfaces. 
    Each stain creates uneven color effects that simulate the natural shadings and aged appearance of stone or masonry. 
    Keep in mind that acid stain color effects are unique to each slab and cannot be precisely replicated. 
    Quick Facts
    • Application Tool: Pump sprayer, sponge or foam brush
    • Dry Time: Up to 12 hours depending on desired intensity
    • Cleanup: Organic cleaner and degreaser
    • Coverage: 200 square feet per gallon
    • Outdoor Sealer: EasySeal Sealer. Bundle and save with our Stain & Seal Kit
    • Indoor Sealer: AcquaSeal Sealer. Bundle and save with our Stain & Seal Kit

    Direct Colors DIY Concrete Acid Stain Kit has all the tools and products for a 200 sq. ft project. 

    What Are Acid Stains?

    Acid concrete stains are composed of a unique concentrated formulation of blended metallic salts in an acidic water-based solution. These metallic salts penetrate and react with the minerals in the concrete to deposit the colors into the concrete pores. Each color is composed of a complex proprietary mix that contains no pigments or resins. When highlighted with the proper sealer, the combination provides a natural and attractive glow that will not chip off.

    Note: All project images on our website have been provided by actual customers using Direct Colors EverStain Acid Stains. Use our project photos for inspiration but always test a small area before you embark on a full project to make sure your slab develps in the desired manner. 

    What Colors Are Acid Stains?

    Acid stains typically come in 10 different colors. Acid stain colors are translucent and the overall effect has an element of unpredictability because the color outcome depends on the reaction between the stain and the components of your concrete slab. 
    For stunning acid stain color combination ideas, visit Direct Colors Concrete Acid Stain Color Guide.

     We highly recommend testing small areas or samples prior to starting a project, since the final color may differ significantly from what is shown on the Color Chart due to factors, including, but not limited to, the age of the existing slab, mix design, finishing techniques, concrete base colors, and surface permeability.

    1. Before Acid Staining: Know Your Concrete 

    Prior to staining, a slab must meet the following criteria:

    • Older, excessively power-washed, or mechanically-profiled concrete may not react with acid stains
    • Concrete acid stain does not stain rocks, sand or aggregate
    • Exposed aggregate or otherwise depleted Portland cement may cause the acid stain to take irregularly, react weakly or produce a color inconsistent with the acid stain color chart
    • Concrete must be free of debris, dirt and oils, paint, dry wall mud, adhesive, sealers, stains of any kind or similar materials. Acid stain cannot react properly with the concrete if these things are present. These areas will likely not accept the stain, leaving color imperfections, particularly in the case of mastic, drywall mud, and paint
    • Newly poured concrete slabs and countertops should include less than 10% fly ash to insure a good chemical reaction with the acid stain. Check with your ready mix company or read the countertop mix Material Safety Data Sheet (MSDS) for concrete additive information
    • Newly poured concrete can be acid stained 30 days after the pour
    • Concrete should not have been treated with a waterproofing agent, cleaned with muriatic acid or a heavy trisodium phosphate (TSP) solution. The acid stain reaction cannot occur on surfaces treated with these products

    2. Applying Concrete Acid Stain Tips:

    Safety First! Remember to use goggles, gloves and a dust mask while working with concrete acid stain.

    • After cleaning concrete, you do not have to wait for concrete to dry to start the acid stain application
    • Smooth interior floors such as basements should be etched with Hard Troweled Pre-Treatment before staining
    • The appearance of the finished product is very much influenced by the manner in which you apply the acid stain. We recommend spraying the stain on the surface using an all-plastic pump sprayer. For smaller spaces, you can use a plastic spray bottle
    • If you'd lile a darker, more even tone, brush the acid stain into the surface using consistent circular strokes
    • If using a brush, spray on a second coat to eliminate any brush strokes on the surface unless that is the desired finish
    • For a more diffuse look, spray the stain onto the surface without brushing
    • For a multi-tone effect with distinct areas of color, begin with your lightest color as a base coat
    • Base coats can either be a light acid stain color, such as Azure Blue, Malayan Buff, or one of the darker stains cut with water
    • Apply one heavy coat of your base color and immediately apply accent coats while the stain is still wet to encourage a more natural appearance on the slab
    • Continue to apply the lighter to darker colored accents until satisfied with the results
    • If walking on wet acid stain, wear acid resistant spiked shoes, golf shoes, or similar cleats to avoid leaving foot impressions on the floor

    To learn more about "Marbling Effect" technique using two or more acid stain colors click here

    • For a veined appearance, spray your secondary or “veining” color on the surface first.
    • While still wet, feather the primary color into and around the secondary color, allowing it to flow together at the edges.
    • Be careful not to cover your secondary color completely, especially if it is a lighter shade.

    For more details on "Veining Technique" click here

    • No two finished floors are exactly same, as acid staining is an artistic process.
    • Always complete small test patches on your surface or prepare sample boards to practice with the sprayer and determine which look you prefer.
    • Each of our acid stain colors can be cut with water to produce an array of different colors and shades. Keep in mind that if the water content is too high, the chemical reaction between the stain and the concrete will be significantly reduced and may not be strong enough to produce the desired color, especially on older slabs.
    • We do not recommend cutting our acid stains by more than 4 parts water to 1 part acid stain unless you are very experienced with this product.
    • Some colors vary more than others when increasing the water content and many factors determine how dark the final stain color will be, such as age of concrete, cement content, and weathering.
    • As the acid stain dries, a chalky residue will likely form on the surface of the concrete. This is a normal part of the staining process.
    • Each stain has different activation times to fully color the concrete, generally from four to eight hours. However, the stains can be left on for longer if you want a darker color.

    For a complete list of Acid Stain Color Activation Times click here

    Summer Tip: Hot, dry conditions can cause acid stain to prematurely dry before properly reacting with the concrete. For best results, slightly dampen the surface before applying acid stain to outdoor concrete. Sealers should not be applied to concrete over 90 F. For outdoor projects, apply sealers either late in the evening or early in the morning when concrete temperatures are at their lowest.

    Notice Check your stain’s activation time before beginning the job. Stains can be left on the surface for longer, but not less, than the activation time.

    • If you are working on a concrete countertop project or attempting to stain separate rooms the same color, use a timer to insure equivalent activation times for each countertop section or room.
    • Remember to spray a second coat of stain over the dried residue of the first coat to assure complete coverage.
    • Do not walk on wet residue.
    • If you must walk on the processing surface, use acid stain resistant spiked shoes to prevent marks or shoe impressions on the surface. You can use golf shoes, football cleats, or plastic bags over stocking feet.
    • We do not recommend Avocado, Azure Blue, Seagrass, or Shifting Sand concrete acid stain for outdoor use.

    Keep in mind that all concrete surfaces are not alike. Although acid staining overlaid surfaces generally produces similar results to that of new concrete slabs, variation between products can occur. To assure the desired results, always prepare a small test area prior to beginning any acid stain project.

    How Long Does Acid Stain Take To Dry?

    Different stains require varying amounts of time to activate and fully color the concrete, generally from 2 – 8 hours. See our Acid Stain Color Activation Times Chart for details. Be sure to check the acid stain color activation time before starting a project to ensure full surface coloring. For the most color from a given stain, spray another coat over the dried residue.

    3. Neutralizing and Removing Residue

    Once the residue has dried and the stain has been given at least the recommended minimum time to react, the surface should be neutralized and all debris or excess stain removed in the following manner:

    • Prepare a solution using baking soda at a ratio of 1-2 tablespoons of soda per gallon of water.
    • Thoroughly spread the solution across the slab, scouring with a nylon scrub brush where needed to remove residue.
    • You can also use a wet/dry vacuum for indoor projects. 
    • For applications including Penetrating Hardener/Sealer, consider repeating this step to be absolutely certain all concrete acid stain has been neutralized before cleaning.
    • Wash the surface carefully using clean water until nothing but clear water is visible.
    • All residue and excess color must be removed from the floor BEFORE leaving to dry.
    • For stubborn residue or porous surfaces, use a floor soap or organic degreaser to aid in the removal.
    • The clean, wet surface will be the approximate color of the final sealed surface.
    • Leave to dry.
    • After the surface has completely dried, the floor should be ready to seal.

    4. Sealing the Color

    After the surface has been neutralized, cleaned and has thoroughly dried, the acid stained floor must be sealed with an appropriate concrete sealer. See how-to guide specific to your sealer purchase.

    DO NOT apply masking or duct-tape to a stained and sealed surface. The tape will adhere to the sealer and damage the acid stain finish.

    5. Waxing Indoor Surfaces

    • After sealing, applying Concrete Floor Wax and Polish to your surface is a critical final step in maintaining interior decorative concrete.
    • Wax protects the finished surface but does not replace the need for sealer on your floor.
    • While sealer penetrates into the pores of your concrete and maintains your floor’s color, wax is a topical coat designed to serve as a barrier between daily wear and tear and your floor’s sealed surface.
    • If properly waxed and maintained, you’ll never need to seal again! Remember, floor polish is intended for interior applications only and should not be applied outdoors.
    • Allow for 48-72 hours dry time for floors sealed with solvent based sealers before applying Residential or Commercial Wax.
    • Before waxing thoroughly clean all dirt and debris from the surface using warm soapy water or water mixed with a light organic degreaser.
    • Do not use harsh chemicals such as xylene, lacquer thinner, adhesive remover or similar products. These chemicals will remove your sealer and ruin the finish on your decorative concrete.
    • First mop the floor with the cleaning solution then mop again using water only. Finally, leave the floor to dry making certain all residue has been removed from the floor.
    • After the surface has dried, apply either the residential or commercial wax with either a sponge mop with wringer attachment, floor coater or trim pad. Pour the floor polish into a paint tray and use the ridges to purge the applicator of excess polish before applying.
    • The thinner the coat, the stronger each layer of floor polish will be.
    • For the first application, apply 2-3 thin coats floor polish allowing each coat to dry completely before applying the next.
    • To limit the possibility of streaking, apply the first coat "east to west" (across the width of the room) and the second coat "north to south" (down the lenght of the romm from back to front).
    • Before allowing traffic on the floor, test the wax by applying pressure to the surface with your fingernail.
    • If the surface dents the wax will require more time to dry. Select commercial wax over residential wax if large dogs will routinely be on the floors.
    • Buffing in this instance would be optional.
    • Depending traffic, the floor should be waxed approximately every 3-8 months.
    • Before reapplying, walk the surface of the floor to determine if spot waxing will suffice.
    • Always clean the floor thoroughly before application.
    • Cold Temperature Warning: DO NOT apply water-based concrete sealers or floor waxes when surface temperatures are below 65°F (18°C)
    • Turn on the central heat and air and set it to 75°F (24°C) to raise the floor temperature before applying.
    • Lay a flat thermometer covered with a towel on the floor for 5-10 mins, or use an infrared thermometer to confirm floor temperature.
    • All heating sources and overhead fans must be turned off during application.
    • In-floor heating should be set at 60 to 65 (16 to 18°C ) before and turned off during the application process.
    • Fans and heat can be turned on after application to aid with drying.
    • Do not allow wax to freeze.

    Direct Colors Concrete Acid Stains are available in 10 standard colors. Use our Acid Stain Sample Trial Kit to test colors and our Design by Color photo gallery for color combination and technique ideas.

     Disclaimer: Direct Colors does not warrant or guarantee outcomes. Concrete variations or improper application may cause unintended results. test Products in an inconspicuous or small area and fully cure to ensure compatibility and desired result.


    Click/Tap each question to hide/show the answers.

    What happens if you stain concrete before it cures?

    Any stain applied to concrete before it has fully cured for at least 28 days is likely to experience unintended color effects.

    Think about it, acid stain is a water-based liquid containing reactive minerals. The acid stain seeps into the pores of the concrete and a chemical reaction occurs between the acid stain and the available lime within the surface. If the concrete has not fully cured; the concrete will be evaporating more water into the stain while it reacts, so the color will most likely look watered down or not take at all!

    I was really excited to use this product. I bought four gallons for 300 sq feet in coffee brown. Perhaps because of the age of the concrete the color never got darker than tan and nothing close to the picture. Not saying for sure it was the product but there are other less expensive options. We have to grind strip this product off in order to use a different one

    If you applied 4 gallons of product (enough for 800 sq ft) and could only get the concrete to develop to a light tan, that tells me there is most likely some kind of issue with the concrete. 

    A few common examples of why Acid Stain either won't or can't react with concrete are: 

    1. Often, contractors or previous homeowners will seal the concrete (sometimes with a cure & seal during the original pour or for regular maintenance). The surface can also be troweled smooth with a machine or even an experienced finisher. Either way, this makes the surface too tight for the Acid Stain to penetrate and start the chemical reaction process. Before beginning any decorative concrete project, the best thing to do is check if the slab absorbs water evenly across the whole surface within 5 minutes or less. Suppose it doesn't absorb or randomly puddles. In that case, you either need to mechanically sand (200 grit) or use our Hard Troweled Floor Pre-Treatment to open up the pores on the surface, allowing the products to work and penetrate correctly. 

     2. Now, if your concrete does absorb water within 5 minutes, you have prepped the surface correctly and did everything right. Still, when you applied the Acid Stain, there was no sizzling sound or visible smoke, and within a couple of hours, nothing has changed on the surface we have another problem. The concrete was most likely poured with a waste material known as Fly Ash, and that is a cheaper and lighter material than Portland Cement that increases a concretes compressive strength. 

    The issue for us is with Fly Ash being lighter than the Portland Cement, the Fly Ash will float to the surface as the concrete cures. Rising above the Portland Cement and effectively blocking the Acid Stain from ever reaching the Portland Cement, only resulting in a light surface staining from the color of the liquid in the bottle and a slight "bleaching" of the concrete from the acid content. 

     Trying to grind the surface to get past the Fly Ash cream almost always results in exposing the aggregates, so the best thing to do is to look for other coloring methods. 

     Now our company offers 4 Ounce sizes and Trial kits of all our colorants (and most sealers) to allow you to physically test the stain on your concrete and to ask any questions about the process before you start your actual project. 

    I completely understand that there are time crunches, and you may even be excited to create your own masterpiece. Still, there are so many variables in the real world that small testing and asking questions is always the best way to go about any decorative concrete job DIY'er or Contractor alike. 

    PS. even with Acid Stain working correctly, by the time you neutralize and clean it up to prep it for sealer, it will be dull, lifeless, and almost chalky looking until you either spray it down with water to "mimic a sealed look" or apply your sealer so don't let that scare you off too 😂

    Do I have to let concrete dry after cleaning prior to applying acid stain?

    No, the concrete can be damped prior to stain application.  However, you should not have puddles of water before staining as the water will dilute the stain.

    I have a new concrete paver firepit. I want to change the gray paver to match a brown tone of a ledger wall I have nearby. Is it possible if I mail you a small piece of the ledger stone and gray paver that you can blend a acid stain mixture to closely match them? Kind of like Home Depot matches paint colors in the store.

    We have no way of doing that as making Acid Stain in small batches has caused issue in the past with color accuracy (it’s a weird science some colors even come out differently if mixed in small batches its weird)

    So the best way to do your testing is to simply work on the side of an existing paver and keep track of your reaction time and once the Acid Stain has been applied to the surface and dried (typically 30 min or so) you can spray it down with water and the water will mimic the “Sealed” wet look of the stain as if you had neutralized it and sealed it.

    So the basic process is to get your pavers you already have.

    Spray/ brush the side of the paver with stain and set recuring timers to go off every hour.

    Spray the paver every hour with water and that will give you an idea of what the color is developing into.

    Once you like the wet color you can neutralize it and then continue on the rest of your project and just neutralize at the hour mark you liked.

    Keep in mind there might be a lot of variation in color development if you purchased pavers over time in different lots instead of all at once because there would be a different Portland content in each batch.

    Diy Malayan buff Acid Stain with water based satin sealer in spring and wanted to darked a little. Can I Acid stain another coat over sealer to darken or use your sealer that is not water based. If either process will darken, about how much?

    If the water based has worn off then simply spray it down with water and if it penetrates and darkens the surface that is how dark the Acrylic Sealer, Solvent Based, Satin will make the color look.

    It will most likely double if not a little more lol. It’s quite a difference moving from water based to solvent based.

    It will also last a whole lot longer as well.

    Do I wait for my first coat or first color of acid stain to dry before continuing with the second coat or the second color?

    It will not cause an issue if you wait for each layer or color to dry, this can be personal preference. At Direct Colors, we prefer to wear some spiked shoes and apply all layers and colors immediately after one another, this allows the stains to bleed into each other to create more of the marbled look.

    Can I dilute the acid stain with water?

    Yes, the acid stain can be diluted with water to achieve a lighter shade in color. Direct Colors does not recommend diluting our acid stain more than four parts water to one-part stain without doing an initial test of the dilution.

    Why is the acid stain puddling up on top of my concrete and not soaking in?

    This could mean that there is something on the surface of the concrete, or the concrete was troweled to a smooth finish. In the case that the concrete is above about 200 grit and too smooth, the surface can be sanded, or Direct Colors hard-troweled floor pre-treatment can be used to etch the surface and open the concrete pores enough to allow penetration

    Why did the acid stain not turn my concrete the color I wanted?

    Acid stain is solely based on a chemical reaction that your concrete produces with the stain to permanently change the color of the surface. Having more than 10% of fly ash in the concrete mix can also affect the chemical reaction. The more Portland content that is in the cement mix, the better the chemical reaction and the richer in color.

    How-To Guide

    Printable EverStain™ How-To Guide

    Step 1: Preparation

    • Cover areas at risk of over-spray with plastic drop cloth
    • Newly poured concrete must cure for 30 days before application 
    • For existing concrete:
      • Remove paint or previously applied sealer using Soy Gel Stripper
      • Remove carpet glue or other adhesives using Bean-e-doo Mastic Remover
      • Remove oils, dirt, debris, Soy Gel Stripper, Bean-e-doo Mastic Remover, using a scrub brush and ProClean Degreaser™
    • Verify absorption by pouring a cup of a water in various areas. If not absorbed within 5 minutes, etch the surface with Hard Troweled Floor Pre-Treatment
    • Allow the concrete to thoroughly dry before Application

    Step 2: Application

    Coverage rate is approximately 200 square feet per gallon. Coverage rates may vary based on concrete texture, surface porosity, and application method.

    NOTE: Only apply EverStain when surface temperature is between 40 °F (4 °C) and 95 °F (35 °C) and wear spiked shoes to avoid leaving footprints before surface is neutralized.

    Caution: May be harmful if swallowed or ingested. Contact with skin can cause mild irritation. Avoid contact with eyes.

    • Remove all filters from Pump-Up Sprayer
    • Shake EverStain™ well before pouring into sprayer
    • Wear spiked shoes before spraying EverStain™ or walking across surface until it is neutralized
    • Begin spraying at a far corner to maintain a clear path to exit
    • Spray EverStain™ on surface in slightly circular motions with irregular overlaps
    • To developer richer color, apply additional coats (maximun 2 coats)
    • Allow 30 minutes between coats
      • Apply additional coats following the same method
    • Allow stain to react and develop color over 4-6 hours (richer color may take more time)
    • Once desired color has developed, neutralize stain with ProClean Neutralizer
      • Spray a saturating coat of ProClean Neutralizer™ on surface and allow to sit for 15 minutes
      • Using scrub brush break up all remaining EverStain™ residue
      • Immediately rinse surface with water until surface is clean with residue
    • Allow concrete to thoroughly dry for at least 8 hours before applying sealer
    • As surface dries color begins to look chalky or faded, this is normal. Color will "pop" once sealer is applied

    Step 3: Seal & Protect Finish

    • Apply 2 thin coats of sealer AcquaSeal or EasySeal
      • For interior only: Also apply 2 thin coats of ProWax Polish
    • For additional application instructions see AcquaSeal™, EasySeal™ and ProWax Polish™ How-To Guides

    Pro Tips:

    • Darker acid stain colors will override lighter colors. If lighter colors are applied first, follow with darker colors. If darker colors are applied first, leave bare spots to fill in with lighter colors.
    • EverStain™ reacts with minerals found in Portland Cement. Areas with more minerals will develop more color than areas with less minerals. EverStain™ will not stain rock or sand
    • If new concrete is being poured, it must have less than 10% Fly Ash for EverStain™ to work properly
    • DecoGel™ may be used for vertical concrete surfaces such as retaining walls, columns, borders, concrete brick, and stenciling


    • Neutralize tools and supplies with ProClean Neutralizer™ 
    • Then wash tools and supplies with ProClean Neutralizer™ and warm water


    • For exterior: Protect finish every 2 years as needed with AcquaSeal or EasySeal
    • For interior: Protect finish every 2 years with ProWax Polish or spot treat high-traffic areas as needed
    • For additional application instructions see AcquaSeal™, EasySeal™ and ProWax Polish™ How-To Guides

    Tools & Supplies:

    • Pump-up Spayer
    • Plastic Drop Cloth
    • Scrub Brush
    • Spiked Shoes 

    Disclaimer: Direct Colors does not warrant or guarantee outcomes. Concrete variations or improper application may cause unintended results. test Products in an inconspicuous or small area and fully cure to ensure compatibility and desired result.

    How-To Videos

    Data Sheets

    Color Chart

    Important: EverStain is a reactive acid stain so shades depicted in “Color Chart” will vary from project to project depending on the composition of concrete surface.

    Customer Reviews:


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