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Heavy-Duty Industrial Stain Dissolver Spray, Instantly Remove Mold, Mildew & Tough Grime, Works Indoor & Outdoor for Brick, Driveway, Siding, Bathtubs, Fences, Ceilings, Sidewalks

Heavy-Duty Industrial Stain Dissolver Spray, Instantly Remove Mold, Mildew & Tough Grime, Works Indoor & Outdoor for Brick, Driveway, Siding, Bathtubs, Fences, Ceilings, Sidewalks

 (6898 Reviews)

check_circle Instantly dissolve mold, mildew and tough grime

check_circle Zero scrubbing, no laborious cleaning required

check_circle Safe for indoor and nearly all outdoor surfaces

check_circle Concentrated blend, mix fresh for peak strength

Regular price $59.90
Regular price $59.90 Sale price
SAVE Sold out
 
 

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Heavy-Duty Industrial Stain Dissolver Spray, Instantly Remove Mold, Mildew & Tough Grime, Works Indoor & Outdoor for Brick, Driveway, Siding, Bathtubs, Fences, Ceilings, Sidewalks

Heavy-Duty Industrial Stain Dissolver Spray, Instantly Remove Mold, Mildew & Tough Grime, Works Indoor & Outdoor for Brick, Driveway, Siding, Bathtubs, Fences, Ceilings, Sidewalks

Regular price $59.90
Regular price $59.90 Sale price
SAVE Sold out
⚠️ Sound Familiar?
You Scrub.
You Spray.
The Mold Comes Back.

You've tried bleach. You've bought the "heavy duty" sprays. You've rented pressure washers. And every single time... the mold creeps back, the grout stays gray, and your walls still look years older than they should. 😤

The truth is brutal: most household cleaners are built to look good on a shelf — not to actually solve your problem. They mask the stain. They leave the root untouched. And within weeks, you're back to square one.

There's a reason professional restoration crews don't use what's at your local grocery store. They use industrial-grade oxidizing formulas — the kind most homeowners have never had access to.

Until now. 👇


 

🛸 Introducing

Spray The Stain Away!
Finally, A Cleaner That ACTUALLY Works

This isn't another watered-down household spray dressed up in fancy packaging. Spray The Stain Away! is a super-concentrated, industrial-strength stain dissolving system — the same technology used by professional restoration crews — now available to every homeowner.

  • Dissolves mold, mildew & grime on contact
  • No scrubbing. No elbow grease. No frustration. 💪
  • Works indoors and outdoors on virtually any surface
  • Concentrated formula — mix fresh every time for maximum potency
💡 The Concentrate Advantage Pre-mixed sprays sitting on store shelves degrade over weeks and months — you're often buying a weakened solution. Our dry concentrate packets stay potent until you're ready to mix, so you always get the freshest, most powerful formula possible.
 

Takes On the Toughest Stains You've Given Up On 💥

If it grows, builds up, or stains a surface — this formula is engineered to kill it.

🦠
Mold
Black mold & deep-set spores
💧
Mildew
Grout lines, curtains, blinds
🟤
Water Stains
Ceilings, tiles & plaster
🌿
Algae
Decks, fences, driveways
🚬
Nicotine
Walls, ceilings, surfaces
🔥
Soot
Fireplaces, wood siding

Real Results. No Filter. No Tricks. ✨

Before and after — the transformation speaks for itself.

Results shown on bathtubs, gutters, exterior siding, patio furniture, tile ceilings, and vinyl fences.


So Simple, It Almost Feels Like Cheating 😄

No complicated prep. No special equipment. Just 3 steps to a stain-free surface.

01
Fill The Bottle
Add warm tap water to the fill line on the included reusable spray bottle.
02
Add The Packet
Pour in one power packet. Shake gently for 10–15 seconds to fully activate.
03
Spray & Watch
Aim at the stain, spray generously, and let the formula do the heavy lifting. Rinse when done.
⚠️ Safety Note: This is a professional-strength formula. Wear gloves and eye protection when mixing. Ensure good ventilation when using indoors. Keep out of reach of children.
 

One Formula. Every Surface. 🏠

Stop buying one cleaner for your bathroom, another for the deck, and a third for the siding. Spray The Stain Away! handles them all.

🪨 Stone & Rock 🧱 Brick 🏠 Vinyl Siding 🛁 Tile & Grout 🏗️ Plaster & Stucco 🪵 Wood Decks 🪑 Patio Furniture 🚿 Shower Caulking 🌧️ Gutters 🏊 Fiberglass 🛥️ Boats & RVs ⬛ Acoustical Ceilings

🤔 Why Do Regular Cleaners Keep Failing You?

Here's the uncomfortable truth the big cleaning brands don't advertise: most household sprays use surfactants (soap molecules) to wrap around dirt and float it away with water. That works fine for everyday grime — but mold, mildew, and organic stains aren't just surface dirt. They root into porous materials. Soap-based cleaners can't reach them. They clean around the stain. And within days or weeks, it's back.

Spray The Stain Away! vs. The Rest

Feature ⭐ SPRAY THE STAIN AWAY! Regular Household Sprays
Cleaning technology Industrial oxidizing formula Basic surfactant / soap-based
Formula potency at time of use Fresh-mixed every time — maximum strength Degraded from months on the shelf
Penetrates pores & cracks Yes — breaks down stain at the molecular level No — cleans around the surface only
Effective on mold & mildew roots Yes — oxidizes the organic material itself Masks it — mold returns quickly
Works on exterior surfaces Yes — siding, brick, concrete, decks ~ Limited — mostly indoor use
Requires scrubbing No — spray and rinse Often yes — still hard work
Eco-friendly shipping Lightweight concentrate — less waste Heavy pre-filled bottles — more packaging
Professional-grade strength Yes — contractor level in a consumer product Formulated for grocery store safety standards

🔬 The Science

Why Our Formula Works When Others Don't

The secret is oxidation chemistry. When our concentrated granules mix with water, they trigger an instant chemical reaction that produces an active oxidizing agent. This agent attacks the molecular bonds that hold stains, mold, and organic matter together — literally breaking them down from the inside out. No soap needed. No scrubbing required. The chemistry does the work.

Oxidation Reaction
The active agent breaks molecular bonds in mold, mildew & organic stains — destroying them at the source, not just the surface.
🧬
Deep Penetration
The solution penetrates porous surfaces — grout, brick, stone, wood — and reaches stain roots that soap-based cleaners simply can't access.
🧪
Fresh = Potent
Oxidizers lose power over time. Our dry granule system stays stable for 2+ years and activates at full strength only when you mix it — guaranteeing maximum effectiveness every use.
🏭
Industrial Concentration
Same class of chemistry used by professional restoration contractors — never diluted for mass retail the way standard household cleaners are.
Translation for non-scientists 😄: Regular cleaners wipe around the stain. Our formula attacks it chemically, destroying what causes the stain in the first place — which is exactly why you won't see it creeping back next week.
 

🌬️ Your Family Deserves Better

Mold Isn't Just Ugly.
It's a Health Concern.

Mold and mildew release spores that circulate through your home's air — affecting air quality for everyone living there, especially children and anyone with allergies or respiratory sensitivity. Getting rid of visible mold is Step 1. Making sure it doesn't come back is where most cleaners fail, and where we deliver.

By fully oxidizing mold rather than just lightening it, our formula removes more of the underlying cause — giving your home cleaner surfaces and fresher air. 💨

 

⏱️ You'll See It Working. Fast.

We're talking seconds to minutes, not hours of scrubbing. Many users describe watching years of mold buildup "just melt away" in real time — no exaggeration, just chemistry.

1 min
Average time to visibly begin dissolving mold on tile surfaces
0 scrubs
Required on most surfaces — spray, wait, rinse
3 steps
Fill. Spray. Done. The simplest cleaning system you'll ever use

🌞 Outdoor Use

Your Whole Yard Deserves This Upgrade

From the driveway to the deck chairs, from the fence panels to the gutters — outdoor surfaces take a beating year-round from weather, algae, and moisture. Most homeowners just accept the green, gray, and black buildup as inevitable.

It's not inevitable. It's fixable. In minutes. Without renting equipment or hiring contractors. Just spray, let it work, rinse — and your outdoor spaces look like you just pressure washed the whole property. 🏡

  • Vinyl fences — white again in minutes
  • Deck chairs & outdoor cushions
  • Driveway stains & sidewalk discoloration
  • Exterior brick & stone surfaces
  • Roof shingles & exterior siding
  • Boats, RVs & outdoor equipment
 

Every Reason This Becomes Your Go-To Cleaner 🏆

Built for the way real people actually clean their homes.

Instant Clean
Visible results in seconds on most stains
🦠
Kills Germs
Oxidizing formula disinfects as it cleans
📦
Easy to Store
Compact powder packets take up zero cabinet space
🛡️
Prevents Return
Targets the root cause — not just the visible stain

📦 What's Included

Everything you need to start cleaning smarter — right out of the box.

🧴
Reusable Spray Bottle
Heavy-duty 24–32 oz bottle with professional trigger. Built to last.
📋
Concentrate Packets
2 powerful packets included. Each makes a full bottle of ready-to-use solution.
📄
Instruction Card
Clear directions for mixing, surface-specific tips, and safety guidelines.
♻️
Refill Ready
Additional refill packets available separately. Keep your bottle, just add new packs.

What Real Customers Are Saying 💬

Thousands of homes cleaned. Here's what people are actually experiencing.

★★★★★
Sarah M. — Pacific Northwest

"Living in the PNW, moss and mildew on my siding was a constant losing battle. This is the only product that's made a real visible difference without me getting on a ladder with a scrub brush. After one application the green was gone. Just gone. I actually stood there staring at it in disbelief."

★★★★★
James T. — Home Depot Verified Purchase

 

"I was skeptical after seeing the TV ad, but I had a lingering mold problem in our shower. Mixed it up, sprayed it, left it alone for a few hours — came back and it was completely gone. It's been several weeks, no sign of it coming back. Does come with a strong bleach smell, so open some windows, but wow, it absolutely works."

★★★★★
Linda K. — Airbnb Host

"I run an Airbnb and we have a coffee maker that guests always spill on the white kitchen cabinets. No other cleaner touched those stains. Calimsho removed them completely — 100% gone — with zero effort. This is now a permanent staple in my cleaning supply closet."

★★★★★
Mike D. — Walmart Verified Purchase

"I tried Calimsho on my shower, treated the problem twice, and it completely cleared out mold I've been fighting for years. The refill packet system is smart — I always know the solution is fresh and potent. It worked wonders on my boat seats with stubborn mildew from winter storage too."

❓ Frequently Asked Questions

Does it work on black mold?
Yes. The oxidizing formula is specifically effective on black mold stains on bathroom tile, grout, caulking, and ceilings. For deep-rooted mold on very porous surfaces, a second application with longer dwell time is recommended.
Is it safe for all surfaces?
Spray The Stain Away! is designed for hard, non-porous and semi-porous surfaces: tile, vinyl, stone, brick, wood, stucco, fiberglass, and more. Always test a small hidden area first. Do NOT use on colored fabrics, carpets, or painted surfaces without testing, as the oxidizing formula may cause lightening.
Will it remove rust stains?
No. This formula works on organic stains (mold, mildew, algae, soot, nicotine) via oxidation. Rust is an inorganic metallic stain that requires a different chemistry (acid-based removers). Avoid this product on rust stains.
How long does one packet of solution last?
Each packet makes one full bottle of ready-to-use solution (24–32 oz). For best results, use the mixed solution within 7 days. Unused dry packets stay potent for 2+ years in storage.
Do I need gloves or a mask?
We recommend wearing gloves and eye protection when mixing the concentrate. Ensure good ventilation during indoor use — open windows and run an exhaust fan. The activated solution has a strong chlorine-like odor that dissipates after rinsing and drying.
Can I use this outdoors without pressure washing?
Absolutely — and this is where it really shines. Spray directly onto the stained outdoor surface, allow 5–15 minutes of dwell time (more for heavy buildup), then rinse with a garden hose. No pressure washer needed.

 Ready to Spray the Stain Away?

Stop Scrubbing.
Start Dissolving.

Join thousands of homeowners who've reclaimed their surfaces — bathrooms, decks, fences, ceilings, siding — without a single callus or a single hour wasted scrubbing.

✅ Free Shipping Available

100+ units sold. Add to Cart Above. 👆

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    10,000+ Five Star Reviews

    Our customers speak for us! With over 10,000 glowing five-star reviews, we've earned a reputation for providing top-notch service that people trust. We're proud of the positive feedback and continue to work hard to maintain the high standards that have earned us such praise.