Top 10 Best black mold killer in 2026

Last Updated - 6/15/2026

🏆Best Choice

ACTIVE

ACTIVE Mold Stain Remover Gel Cleaner Heavy Duty Stain Cleaner for Front Loader Washing Machine Seal, Bathroom Grout, Shower, Caulk - Front Load Washer Cleaning Solution - 7 Fl Oz

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Fast and Effective: ACTIVE Seal & Grout Stain Remover is a Powerful Whitening Deep Cleaner. Mildew Stain Remover has an Instant Effect in Minutes to Quickly Clean Mold Stain and Eliminate Unwanted Musty Dirt and Grime
•Wide Range of Use: Efficient Cleaning for Rubber Gasket, Front Loading Laundry Drum, Cleaning Washer Mildew Stains, Refrigerator Seal Strips, Bathroom Cleaner for Mold Stain on Shower Walls or Caulking Cleaner. Get Rid of Stain on Tub, Tile, Wall, Showers, Grout Cleaner Gel, Bathtub Stain Remover. Wash Indoor House Stain
•Easy Application: See Product Directions for Best Effective Usage. Apply Front Loader Washing Machine Gasket Cleaner Gel Evenly on Seals, or Vertically on Wall Line without the Gel Running - compare to spray or liquid
•Powerful Formula: ACTIVE Mildew Stain Gel Solution Will Clean & Remove Discoloration, Black Spot & Buildup related to Mold Stain, Moisture, Grease in Appliance Seals. ACTIVE Stain Gel is a Concentrated Solution lasting up to a Year per 7oz Bottle
•Gentle Odor: ACTIVE Washing Machine Cleaner Gel is Made from Simple Ingredients - Compare to Other Product with Harsh Chemicals and Heavy Scent that can Damage Home Surfaces
•Product Usage Instructions: Shake well for at least 10 seconds before use. Be sure to apply gel directly onto the stain and let it sit for a minimum of 5 hours before wiping away. You may need to use a thicker coating of gel or re-apply a second time for tougher stains. Refer to the product images, instruction videos, and the product packaging for additional usage and troubleshooting steps

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$15.26

$17.95

-15%

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RMR Brands

RMR-86 Instant Mold and Mildew Stain Remover Spray - Scrub Free Formula, 30 Fl Oz

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•GET RID OF STUBBORN MOLD AND MILDEW STAINS: Our instant spray cleaner removes the stains left behind from black mold and mildew. They tend to leave behind ugly staining that can go deep below the surface
•USING RMR-86: To safely and conveniently eliminate indoor mold and mildew stains and odors using RMR-86, proper ventilation and PPE should be used for each application
•SAFE TO USE ON MULTIPLE SURFACES: Easily remove stubborn stains from decks, wood, vinyl siding, drywall, concrete floors, brick walls, kitchen surfaces, and other areas where mold and mildew tend to grow
•FAST-ACTING SPRAY: Our powerful, fast-acting mold stain remover spray begins working instantly to target deeply embedded stains that linger on surfaces and hard-to-reach areas
•NO SCRUBBING NEEDED: Simply spray our ready-to-use formula on the affected area and watch the stains disappear right before your eyes!

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$15.99

$16.89

-5%

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Concrobium

Concrobium Mold Control, 32 oz Spray – Eliminates & Prevents Mold – EPA-Registered, Bleach-Free, Odorless, VOC-Free

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Eliminates & Helps Prevent Mold: Targets existing mold at the source and leaves behind an invisible barrier that helps prevent future growth.
•EPA-Registered Solution: Registered with the U.S. Environmental Protection Agency for mold control when used as directed.
•Bleach-Free, Odorless, VOC-Free: Contains no bleach, ammonia, or volatile organic compounds, helping maintain healthy indoor air quality.
•Safe on Most Surfaces: Works on drywall, wood, tile, grout, concrete, fabric, and other common building materials.
•Versatile Use: Ideal for bathrooms, kitchens, basements, attics, laundry rooms, vehicles, and outdoor surfaces such as decks and patios.
•Ready-to-Use Spray: Convenient 32 oz trigger bottle for targeted spot treatments or larger surface coverage.

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$13.48

$14.13

-5%

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Zinsser

qt Zinsser 276087 White Zinsser, Mold Killing Primer Water-Based Mold Killing Primer

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Kills existing mold, mildew, and odor causing bacteria without extensive pre‐cleaning
•EPA registered ‐ assures product performance and quality. (EPA Reg. No. 87469‐1‐69587)
•Water based fungicidal protective coating works under any coating and aides in covering fungal stains. Ideal with ZINSSER Perma‐White.
•Paint directly over existing mold and mildew without extensive pre‐cleaning. (*Fix all moisture issues. For structurally unsound surfaces, refer to label for remediation guidelines.)
•Recommended for residential, commercial and industrial applications including bathrooms, basements, wall cavities, window frames, office buildings, factories and more.

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$18.99

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RMR Brands

RMR Brands DIY Mold Remover Bundle - Complete Mold Killer & Stain Remover Bundle - Mold and Mildew Prevention Kit, Disinfectant Spray, Includes 2-32 Ounce Bottles

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•TWO FAST-ACTING FORMULAS: The ultimate mold prevention kit, our bundle includes 1 spray bottle of RMR-86 and 1 spray bottle of RMR-141 RTU to kill mold and mildew instantly while lifting difficult stains that are left behind
•KILL MOLD AND MILDEW INSTANTLY: Our RMR-141 Disinfectant Spray Cleaner and Fungicide kills harmful molds and mildews, and prevents regrowth by completely eliminating the roots that other sprays often leave behind
•REMOVE STUBBORN STAINS IN SECONDS: Our RMR-86 Instant Mold & Mildew Stain Remover begins working immediately to target stubborn stains that linger on surfaces and hard-to-reach areas
•NO SCRUBBING NEEDED: Simply spray our ready-to-use formulas on the affected area and watch the mold and mildew disappear right before your eyes!
•SAFE TO USE ON MULTIPLE SURFACES: Use this powerful duo on wood decks, concrete floors, brick walls, carpeted areas, kitchen tiles, and any space where mold and mildew tend to grow

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$23.99

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BenzaRid

BenzaRid Pro Mold Killer Fungicide Disinfectant including Aspergillus Niger (Black Mold) H5N1 Pack | Multi-Purpose Fungicide, Mildewstat, Disinfectant, Virucide | EPA Reg. 1 Gal + 32 oz.

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•BENZARID BLACK MOLD KILLER (KILLS BLACK MOLD ASPERGILLUS NIGER), FUNGICIDE, DISINFECTANT, VIRUCIDE*: BenaRid Kills 99.99% of Molds, Bacteria, Viruses, and Bird (Avian) Flu. BenzaRid is a Powerful Fungicide, Disinfectant and Virucide, H1N1, H5N1 Bird Flu Viruses, Mold Damage, Flood Damage, Water Damage, Black Mold within 10 minutes of Contact. BenzaRid is on the EPA Emerging Viral Pathogens (EVP) List: L,N,Q. BenzaRid EPA Registration Number: 10324-85-88904.
•BENZARID FUNGICIDE, MILDEWSTAT, DISINFECTANT, VIRUCIDE* ALSO DISINFECTS: Black Mold (Aspergillus Niger), SARS-COV2 (COVID-19), Avian Influenza A (H1N1, H1N2,H5N1), Virus Hepatitis A,C Virus (HCV),(Bovine Viral Diarrhea Virus), Influenza A (H1N1) Virus, Avian Influenza A (H5N2), Virus Herpes Simplex Virus Type 1,(H3N2) Virus, Hantavirus, Respiratory Syncytial Virus (R.S.V.), Coronavirus, SARS-CoV-2*** (COVID-19 Virus) (SARS Coronavirus 2), Hepatitis B Virus, Human Immunodeficiency Virus Type 1** (HIV-1) (AIDS Virus). **Indicates a 2-minute contact time is required for this claim. ***Indicates a 1-minute contact time is required for this claim.
•FUNGICIDAL & MILDEWSTATIC PERFORMANCE: This product kills the following fungi in 10 minutes on hard, non-porous surfaces with 5% soil: Candida albicans, Trichophyton interdigitale (formerly T. mentagrophytes) (Athlete’s foot fungus a cause of Ringworm) MILDEWSTATIC PERFORMANCE: This product controls the following mold for 7 days on hard, non-porous surfaces with 5% soil: Aspergillus niger.
•BENZARID USES: in Homes, Nursing Homes, Offices, Daycare, and Schools while also being strong enough to eradicate fungi, bacteria and viruses in Hospitals, Ambulances, Clinics, Gyms, Pharmacies, Veterinary Offices, Waiting Areas, Airplanes, Buses, Trains, Boats, and even Cruise ships. Follow instructions on label for use on medical and surgical equipment.
•EPA TESTS HAVE SHOWN: BenzaRid mitigates areas contaminated with Black Mold (Aspergillus Niger), Avian Influenza, H1N1, H5N1 Virus, MRSA, HIV/ AIDS, HSV 1 & 2, and more. BenzaRid is on the EPA Emerging Viral Pathogens (EVP) List: L,N,Q. *See EPA Product Label for Full Organism List
•USE INSTRUCTIONS: Apply the undiluted solution to dry areas to sanitize, clean and deodorize windows, mirrors, and other surfaces with a brush, mop, cloth, sponge, or mechanical spray device to wet all surfaces thoroughly. Spray 6-8 inches from the surface. Spray/rub area with a sprayer, sponge or cloth. Do not breathe spray. Allow to air dry or wipe up excess liquid.
•See the BenzaRid EPA label for additional product information. Scan our QR CODE card with the product for additional product information.
•ACTIVE INGREDIENTS: Alkyl (50%C14, 40%C12, 10%C16) dimethyl benzyl ammonium chloride 0.034%, Octyl decyl dimethyl ammonium chloride 0.026%, Didecyl dimethyl ammonium chloride 0.013%, Dioctyl dimethyl ammonium chloride 0.013%, OTHER INGREDIENTS: 99.914%, TOTAL: 100.000%

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$69.95

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RMR Brands

RMR-141 EPA Registered Mold and Mildew Killer, Eliminates Odors, Removes Mold, Mildew, Bacteria, and Viruses, 1 Gallon Bottle

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•STRONGEST MOLD KILLER: RMR-141 RTU Disinfectant and Mold Killer; eliminates odors; and disinfects in one easy step. It’s a powerful, safe, and effective way to remove mold, bacteria, and viruses. Voted Best Real-world disinfectant by Don't Waste Your Money (January 2021).
•EPA REGISTERED: This mold and mildew removal spray is the only EPA-registered disinfectant that has been tested and registered by global health authorities in the presence of approximately 100% organic soil tolerances. Registered in EPA, USA; FDA of Thailand; ISS, Italy; Austrian Federal Environmental Office; INRS, France;
•POSITIVELY CHARGED DISINFECTANT: RMR-141 RTU Disinfectant is a positively charged disinfectant that is powerful and works to easily track down and stick to negatively charged bacteria.
•KILLS 99.9% OF BACTERIA: Our mildew, odor, and mold-removal spray kills 99.9% of household bacteria and odor-causing bacteria. It’s fungicidal and effective against a broad spectrum of bacteria. When used as directed, the product inhibits odors. NOTE: This product does not remove the stains left behind.
•MULTIPLE APPLICATIONS: Our mold killer has a broad-spectrum fungicide, virucide, and disinfectant formula that kills mildew and more than 141 different microorganisms. This product is for use in households, hospitals, restaurants, and institutions.
•This can be used on both porous and nonporous surfaces. NOTE: For porous surfaces contact time is 10 minutes, if it is removed prior to 10 minutes it will not kill the mold.

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$32.99

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Moldex

Moldex 5010 Mold Killer Spray, 32 oz

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Effectively kills mold, mildew, fungi, bacteria and viruses in bathrooms, on walls and floors, on outdoor furniture and much more
•Disinfects and eliminates unpleasant odors while preventing future mold and mildew growth on hard, non-porous surfaces
•Bleach-free formula is ideal for households, commercial and industrial use and hospitals
•EPA-registered mold and mildew killing spray
•Cleans with a pleasant fresh scent
•Non-hazardous and non-corrosive
•Also for sewer back up black and gray water
•For household and industrial use, as well as professional disaster restoration

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$7.97

$9.99

-20%

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Mold Armor

Mold Armor Professional Brand Mold Kill & Control Spray, 32 oz., Mold & Mildew Remover, Visible Results in Minutes, Eliminates Bacteria & Viruses

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•KILLS, CLEANS & PREVENTS MOLD AND MILDEW: Kill and clean up mold and mildew on your hard, non-porous surfaces with MOLD ARMOR Professional Brand Mold Kill & Control.
•FAST RESULTS, NO SCRUBBING REQUIRED: This mold and mildew cleaner features a fast-acting formula that produces visible results in minutes without scrubbing.
•IDEAL FOR USE ON laminate, linoleum, sealed grout, stainless steel and plastic surfaces. Professional Brand Mold Killer eliminates bacteria and viruses on shower stalls and garbage cans as well as in your bathroom, bedroom and basement.
•EASY TO USE: Test on an inconspicuous area before use. Apply to stains and wait 10 minutes. Rinse with water or wipe with a damp sponge within 15 minutes of application. Rinse food contact surfaces with potable water.
•INHIBIT NEW MOLD GROWTH: To prevent mold and mildew growth, thoroughly wet surface, allow to air dry and repeat every 7 days. Effective against Aspergillus niger. Pre-clean heavily soiled surfaces.

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$22.99

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Siamons International, Inc.

Concrobium 25326 Mold Control Spray, 32 oz

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Use to eliminate mold, mildew, musty odors and prevent regrowth
•EPA-registered formula crushes mold spores as it dries and leaves an invisible, barrier
•Odorless solution cleans between 80-110 sq. ft. per 32 oz. bottle
•Unique mold spray contains no bleach or harsh chemicals, safe for use on a wide range of surfaces
•Simply spray onto effected area and allow to dry - no scrubbing or rising required
•Concrobium mold control effectively eliminates existing mold, prevents mold re-growth and eliminates musty odors with no harmful chemicals
•Ideal for homes, buildings, boats and cars
•Works on drywall, wood, composite wood, plastic, concrete, shakes, metal, brick, stone, tile, grout, fabric, furniture and many more surfaces
•Invisible shield prevents new mold growth; no bleach, ammonia or volatile organic compounds
•Comes in 32-ounce trigger spray which covers up to 100-square feet

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$13.97

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