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GhostShield Eco-Etch — Easy and Safe Way to Acid Etch a Garage Floor

You want a beautiful garage floor, but you don’t want to break your back and wreck your knees grinding the concrete garage floor. You are also not thrilled about the idea of working with dangerous, corrosive acids. After nearly a year of reviewing the product, we are confident it will perform similarly to acid etching a garage floor. Eco-etch will not harm your flowers or corrode metal. It is also less considerably dangerous than working with muriatic acid. If you have been wondering how to acid etch a garage floor, Eco-Etch just may be the answer!

Eco-Etch Coverage: For power troweled conctrete, use undiluted for a coverage of 250 sq.ft. per gallon. For a medium etch, mix 1 part water to 1 part Eco-Etch, making 2 gallons for a coverage of 500 sq.ft. per gallon of concentrate. For a light etch, mix 1 part Eco-Etch to 2 parts water for a total coverage of 750 sq.ft. per gallon of concentrate.

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If you don't want to grind your floor to prep it for a coating, Acid Etch may be an easier option for you!

Eco-Etch Instructions

Data Sheet

Safety Data Sheet



Basic Installation

It is important to understand that the dilution ratio we suggest is based on the information in the column to the right. This will vary from the manufacturers’ suggested dilution rate because it is specific to our coatings. If you are installing a coating purchased elsewhere dilution rate is your responsibility.

Always test a small area before application to ensure the desired ratio, etch time, coverage rates, and to verify application technique. Before cleaning or etching, make sure the concrete is free of all oil, contaminants, grease, dirt, and rust stains (will not clean grease, oil, or rust spots. First, wet the substrate with water. Apply using a low-pressure pump sprayer. Allow the solution to sit on the substrate for three (3) to ten (10) minutes. Flush thoroughly with clean water. You do not need to neutralize after using Eco-Etch 1001. DO NOT ALLOW TO DRY ON THE SURFACE UNTIL COMPLETELY RINSED. Please test the dilution ratio prior to completion to make sure the desired profile is attained. Every floor is different.

Reconstitution Only mix with water. Mix solution slowly in an open-top plastic container. Stir gently. The ratio varies by desired use: for standard concrete, we find a ratio of 1:1 works well. For smooth, power-troweled concrete we suggest using the product full strength. One mixed gallon covers about 200 square feet.

Clean Up Clean equipment and tools with hot soapy water. Unused or old material may be disposed of in a waste disposal site in accordance with local, state, and federal laws.

Best Performance Proper application is the responsibility of the user. Make sure the most current versions of product data sheets and SDS are being used. For professional use only. Keep out of reach of children.

Precautions/Safety Avoid contact with skin, eyes, and clothing, do not take it internally. Use appropriate safety equipment during application and handling. Please refer to the safety data sheet (SDS) for additional precautionary instructions before use.

Etches & Cleans

In addition to etching the concrete, Eco-Etch cleans it. That’s not to say it will remove years worth of oil stains by itself, but it does an outstanding job cleaning dirt off the surface of your concrete.


Coverage is estimated at 200 Sq. Ft. per mixed gallon. Dwell time varies considerably and should be tested in a small area. DO NOT dilute the product for etching power troweled concrete. Use it full strength. For typical concrete a mix ratio of 1:1 tends to work well.

Requirements for Common Size Projects, Standard Concrete

1 to 1 Mix Ratio

  • 250 Sq. Ft. requires 1 Gallon
  • 500 Sq. Ft. requires 2 Gallons
  • 750 Sq. Ft. requires 2 Gallons
  • 1000 Sq. Ft. requires 3 Gallons

Requirements for Common Size Projects, Power Troweled Concrete


  • 250 Sq. Ft. requires 2 Gallons
  • 500 Sq. Ft. requires 3 Gallons
  • 750 Sq. Ft. requires 4 Gallons
  • 1000 Sq. Ft. requires 5 Gallons


It is important that you read the product instructions and limitations as no returns will be accepted. Please note we suggest you follow our dilution suggested ratio as opposed to the range provided in the TDS. You may need to adjust but our ratios provide a very good starting point for the coatings we sell.

Instruction Note: We suggest this product for our Polyurea system or high solids system. We suggest grinding for 100% solids systems. We also suggest 1 cup of baking soda to 1 gallon of water on the initial rinse. Coatings are PH sensitive. If you do not use a pressure washer you must use a combination of a shop vac and hose to completely remove all rinse water and acid before it dries. It is extremely important that ALL calcium absorbed in the etching solution and rinsing solution be removed or it will stick to the concrete and you may have to re-etch. Acid etching with any solution draws the calcium out of the concrete, but it does not destroy it. IT MUST BE REMOVED MANUALLY. Keeping the floor wet, nothing allowed to dry and continuously power washing and where applicable wet-dry vac is a necessity. Concrete takes DAYS to dry. Not hours. Make sure the concrete is completely dry before coating.