M3C Mold, Moss & Mildew Cleaner™ Specialty Clean

M3C Mold, Moss & Mildew Cleaner. We consider it more of a killer than a cleaner. Our fast-acting, heavy-duty formula eliminates mold, moss, mildew, algae, and lichens while helping to prevent them from returning. This concentrated formula works without pressure washing, scrubbing, or rinsing to break down mold, moss, mildew, lichen, and algae deep down at its source with our easy-to-use mix and spray formula that’s free from bleach and non-acidic. M3C is suitable for any outdoor hard surface, including pavers, concrete, brick, shingles, asphalt, and wood, for great-looking outdoor spaces all year round.

Remember to spot clean with an SRW Specialty Cleaner first, then clean the entire surface with PW Paver Wash™ or DW Dual Wash™ before sealing.

Why is cleaning before sealing important? Always clean before you seal for the best sealing results. SRW Products always recommends using PW Paver Wash™ or DW Dual Wash™ before sealing a project. Cleaning solutions pull dirt and debris out, opening up pores and leaving an ideal surface for the sealer to bond, while pressure washing alone drives dirt and debris deeper into the pores.

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M3C Mold, Moss & Mildew Cleaner™
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M3C Mold Moss & Mildew Cleaner™ Instructions

  1. Dilute

    1. Dilute one part M3C Mold, Moss & Mildew Cleaner™ with five parts water into a garden sprayer.

  2. Apply

    1. Recommended application temperatures are 50°F – 80°F (10°C – 27°C).
    2. Do not apply if rain is forecast within 24 hours.
    3. Spray onto a dry surface and allow the solution to fully saturate the area.
    4. Allow to air dry overnight.

  3. Wait

    1. Wind and rain will wash away debris as it’s broken down.
    2. 3-7 days if desired, use a stiff bristle brush and hose to clean remaining debris one week after application.

  4. Re-Apply

    1. To maintain a stain-free outdoor space, re-apply M3C Mold, Moss & Mildew Cleaner™ as needed, up to 6 times per year.

  5. COVERAGE

    1. 1 gallon of concentrate makes 6 gallons of product, which covers approximately
      750–2200 sq. ft.(69.68–204.39 sq. m. per 3.78 liters) Coverage will vary depending
      on surface & severity of stain.

  6. CLEAN UP & STORAGE

    1. Rinse tools with soap and water. KEEP FROM FREEZING.

  7. USER TIPS

    1. Always follow surface manufacturer’s cleaning recommendations.
    2. Test inconspicuous area before starting the general application to
      ensure desired results.
    3. For maximum effectiveness, follow mixing instructions carefully.
    4. If accidentally sprayed onto vegetation, rinse with water.
    5. Excessive staining may take longer to come completely clean. Re-apply 1-2 months after initial treatment. Do not apply more than 6 times per year. 

Tech Sheets

Safety Sheet

Video

M3C Mold Moss & Mildew Cleaner™ is a convenient spot clean solution for any paver or surface material. Save time and money with our quick and easy four-step process.

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Frequently Asked Questions

Call us at 1-800-752-9326 or use our dealer locator. We will gladly help locate a dealer near you!

Do you have additional questions? Contact us.

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