RMR-86 Instant Mold and Mildew Stain Remover Spray with scrub-free formula, 30 fl oz, effective stain removal in 15 seconds.
Before and after comparison of RMR-86 Instant Mold and Mildew Stain Remover Spray showing removed stains from window corners.
RMR-86 Instant Mold and Mildew Stain Remover spray bottles on display, highlighting features for various surfaces.
Before and after RMR-86 Mold and Mildew Stain Remover spray results on surfaces, showcasing effective cleaning power.
Man relaxing on a couch while RMR-86 Instant Mold and Mildew Stain Remover Spray is in use, highlighting scrub-free cleaning.
RMR-86 Instant Mold Stain Remover Spray before and after image showing effective stain removal without mixing required.
RMR-86 mold and mildew stain remover spray, before and after results on siding, showcasing effective cleaning power.
RMR-86 Mold Remover Spray image showcasing quick stain removal for a clean and fresh indoor environment.
Transformation of a fence from moldy to clean using RMR-86 Instant Mold and Mildew Stain Remover Spray.

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

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Regular price $15.99
Regular price $16.89 Sale price $15.99
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RMR-86 Instant Mold and Mildew Stain Remover Spray - Scrub Free Formula, 30 Fl Oz

The RMR-86 Instant Mold and Mildew Stain Remover Spray, 30 Fl Oz is a professional-strength, scrub-free formula designed to erase ugly mold and mildew stains quickly from a wide range of indoor and outdoor surfaces. It’s ideal for homeowners, landlords, and contractors who need fast visual results on tough, embedded staining without hours of scrubbing.

This clear mold and mildew stain remover from RMR Brands uses a powerful, fast-acting bleach-based formula that penetrates and lightens deeply set mold and mildew stains in seconds, helping restore the appearance of stained walls, ceilings, bathrooms, decks, and more. While it is not a mold killer or long-term inhibitor, it is widely used as a stain-removal step before repainting or further remediation, delivering dramatic cosmetic improvements with minimal labor.

  • Instant stain removal: Targets and removes dark mold and mildew staining that typical cleaners leave behind, often in as little as 15 seconds. 
  • Scrub-free formula: Simply spray on and watch stains fade—no sanding, wire-brushing, or heavy scrubbing typically required. 
  • Professional-strength results: Derived from pro-grade technology used by remediation professionals, made available for consumer use. 
  • Multi-surface use: Compatible with many common building surfaces including decks, wood, vinyl siding, drywall, concrete, brick, tile, grout, fiberglass, and certain kitchen and bath surfaces. 
  • Large 30 Fl Oz bottle: Ready-to-use trigger-spray bottle provides enough product to treat multiple problem areas around the home. 
  • Odor-reducing effect: Helps reduce musty mold and mildew odors by bleaching and removing surface staining. 
  • Ideal as a prep step: Frequently used before repainting, refinishing, or sealing to improve appearance and help restore surfaces. 

What Customers Like:

  • Very fast visual results on old, stubborn mold and mildew staining, especially on showers, grout, caulking, exterior siding, and attic or crawlspace lumber. 
  • Dramatic before-and-after difference with minimal physical effort since scrubbing is often unnecessary. 
  • Effective on both indoor and outdoor problem areas, making it a versatile stain-removal tool for the whole property. 
  • Convenient spray application and coverage that allows users to treat large or awkward areas relatively quickly. 
  • Frequently praised as a “game changer” or “miracle” for cosmetic cleanup of visible mold/mildew staining. 

What Customers Might Not Like:

  • Strong bleach-based odor that requires good ventilation and can be uncomfortable in enclosed spaces if PPE and airflow are not properly used. 
  • Requires careful handling, including gloves, eye protection, and protective clothing, due to its strong chemical composition. 
  • Can discolor or damage certain materials, finishes, or metals if not tested on a small inconspicuous area first. 
  • Designed as a stain remover, not a long-term mold preventer or registered mold killer, so underlying moisture or mold issues still require separate remediation. 
  • Some users find that heavily stained or porous surfaces may need multiple applications for best cosmetic results. 

Why Choose The RMR-86 Instant Mold and Mildew Stain Remover Spray:

  • Time-saving stain removal: Ideal when you need quick cosmetic improvement before guests, showings, or turnover, eliminating hours of manual scrubbing on heavily stained areas. 
  • Professional-level performance at home: Based on technology used by restoration pros, delivering similar stain-removal power in a consumer-friendly spray bottle. 
  • Broad application range: Works on many common building and household surfaces, making one bottle useful for bathrooms, basements, exteriors, and more. 
  • Excellent pre-paint prep: Helps lift dark staining so primers and paints lay over a cleaner-looking surface for a more uniform final appearance. 
  • Strong customer validation: Numerous users report that ingrained mildew and mold staining lightened or disappeared quickly, often calling it one of the most effective stain removers they have tried. 

Average customer rating: ⭐⭐⭐⭐½ approximately 4.6–4.8 out of 5 stars across major retailers, with buyers most often praising how fast it erases visible mold and mildew stains and how little scrubbing is needed.

Specifications:

  • Brand: RMR Brands 
  • Product name: RMR-86 Instant Mold and Mildew Stain Remover 
  • Type: Liquid mold and mildew stain remover spray (bleach-based) 
  • Color: Clear liquid 
  • Volume: 30 Fl Oz (approx. 887 mL) 
  • Primary active ingredient: Sodium hypochlorite (bleach) with surfactant blend and inert ingredients in water. 
  • Formula: Ready-to-use, no dilution required 
  • Application method: Trigger spray bottle; spray directly onto affected surface 
  • Recommended use: Removing mold and mildew staining from decks, wood, vinyl siding, drywall, concrete, brick, tile, grout, and other hard surfaces where mold/mildew stains appear. 
  • Coverage: Varies by surface and severity, but designed to treat multiple indoor and outdoor areas per bottle. 
  • Safety guidance: Use with proper ventilation and PPE (gloves, eye protection, respirator in confined areas); avoid contact with skin, eyes, fabrics, and incompatible materials. 
  • EAN: 0669393326496 
  • Part/model number: FBA_RMR-8632oz 
  • Intended environment: Residential and light commercial use for stain removal (not a registered mold-killing disinfectant)


*You will be redirected to Amazon's site for this product as the link on this page is an affiliate link. Môdern Space Gallery is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.

*Listed price may be subject to change per vendor's discretion.

Shipping Policy

Môdern Space Gallery Shipping Policy Last updated: July 26, 2024

 

At Môdern Space Gallery, we offer a variety of products and services including ebooks that are available for immediate download from our site, items that can be purchased from our store, and items that can be purchased through affiliate marketing from Amazon.

Please read the following shipping policy to understand how we handle shipping for the different types of products.

Shipping Information

For items offered for purchase directly on our site, we offer Free Standard Shipping in the USA. We currently only ship to the 50 contiguous US - this excludes HI, AK and the U.S. territories.

All orders placed through affiliated links listed on this site, such as Amazon, are subject to their shipping terms and conditions. Please read their shipping policies.

Ebooks

The Ebooks that are available for purchase on this site, will be immediately available for download once order has been placed and an email has been sent to you. Once your payment is processed, you will receive a download link via email. Please make sure to check your spam folder if you do not receive the email within a few minutes of placing your order. All other ebooks available via affiliated links will be available for download on other site, such as Amazon.

Items Available For Purchase at Môdern Space Gallery

For products that are purchased through our site, shipping times vary from 3-15 business days, depending on the item purchased. All items are shipped from the US. Please refer to the specific product page for more information on estimated shipping times and return policy. We will provide tracking information once it is available. For return procedures, please see our Return Policy and/or contact us directly at: customerservice@modernspacegallery.com

Affiliate Marketing

For products that are sold through our affiliate marketing program with Amazon, shipping times and costs are determined by Amazon. Please refer to the specific product page on Amazon for shipping and return information. If you have any questions about shipping, please contact Amazon directly for these items.

Thank you for choosing Môdern Space Gallery!

 

Return & Refund Policy

Môdern Space Gallery Return & Refund Policy - Last Updated: July 7, 2025


Your satisfaction is important to us. We want you to be satisfied with your purchase made from Môdern Space Gallery and we will do our best to assist you.

Please note that per our Return & Refund Policy terms, we have a 30-day return window for returns of physical items purchased on our website that QUALIFY for returns (returns are NOT accepted for ebooks/digital products, items listed as non-returnable, custom or made to print items, and other non-returnable items noted below). While you have up to 30 days after first receiving your order to send your return, a request for a return must be submitted within 5 to 6 days of receiving your order. For damaged items, a notification must be sent within 48 hours of receiving the damage good(s).

All orders placed through affiliated links listed on this website are subject to the Return & Refund policies of the affiliates' sites. Please be sure to read their return and refund policies.

Return Request

To submit a return request for a physical item purchased directly on our website, please contact us at: customerservice@modernspacegallery.com, with your order details and reason for requesting a refund. We will review your request and, if approved, provide instructions on how to return the item for a refund. Approved refunds will be issued to the original payment method within 10-15 business days of receipt of the returned item.

Damages and Issues

Please inspect your item(s) as soon as you receive them and contact us immediately (within 48 hours) if there is any defect, damage or if you received the wrong item, so that we can evaluate the issue and make it right.

If the product you received was damaged, please include a photo and description of the damage when submitting your return request. If the product you received was not the product you ordered, please provide a photo and description of the received product when submitting your return request. If an item is missing from your order, please provide the information of the missing product when submitting your return request. Please note that we cannot honor any claims of damage 48 hours after the time of delivery.

Non-Returnable Items

Unfortunately, we cannot accept returns on gift cards, ebooks, digital products, custom-made items, (including made to print items), items that are listed as non-returnable and sale items that are discounted at 50% or more. Additionally, certain types of items cannot be returned, like custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We do not accept returns for hazardous materials, flammable liquids, or gases. Please contact us if you have questions or concerns about specific items.

Return without Reason/Exchanges

Please note that we do not offer exchanges at this time. Items that are shipped from an international warehouse cannot be returned at this time. While most of our items are shipped from US warehouses, there are instances where your item(s) might come from an overseas warehouse. Please contact us via e-mail prior to submitting a return request if you have any questions on this matter.

If you no longer want the item(s) ordered and would like to process a return after the item has shipped from a US warehouse, please note that the customer is responsible for return shipping costs and item(s) returned might be subject to a restocking fee. For items that are eligible for a return, please note that a tracking number must be submitted to us for your return. Credit/refund will not be issued without the return tracking to show return was delivered back.

Refunds

Qualified refunds will be refunded on original payment method. Please remember that it can take some time for your bank or credit card company to process and post your refund. Some returns are subject to a 15% restocking fee for items purchased on our site -- please refer to the product page of the item(s) for this information. If incorrect item was ordered or you’ve changed your mind about a purchase, full refund will not be issued (15% restocking fee will apply).

Please note that we reserve the right to refuse any refund requests that do not meet our eligibility criteria, or if we suspect fraudulent or abusive activity. We also reserve the right to modify or update our refund policy at any time, so please review it periodically for any changes.

If you have any questions or concerns about our refund policy, please contact us at: customerservice@modernspacegallery.com.

Thank you for choosing Môdern Space Gallery!


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