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 4.7 • 713 reviews

BLITZ Mold Stain Remover

Eliminate Black Mold Stains on Seals & Grout with BLITZ™

verified Powerful Deep Cleaning for Seals & Grout

BLITZ™ Mold Stain Remover Gel breaks down stubborn mold stains, mildew discoloration, and grime that build up in high-moisture areas. Our powerful gel formula clings to surfaces like grout, caulking, and appliance seals to help restore a clean appearance while making routine cleaning easier.

priority_high Consistency is Key

With regular use, BLITZ™ Mold Stain Remover Gel helps remove stubborn mold stains, mildew discoloration, and grime that build up in high-moisture areas. Its powerful gel formula clings to grout, caulking, and appliance seals to restore a cleaner appearance while making routine cleaning easier.

 
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Trusted by Thousands of Households
BLITZ™ Mold Stain Remover Gel is trusted by households to remove stubborn mold stains, mildew discoloration, and grime from grout, caulking, and appliance seals, helping restore a cleaner appearance in high-moisture areas.

BLITZ™ Mold Stain Remover Gel helps remove stubborn mold stains, mildew discoloration, and grime that build up in high-moisture areas, helping restore the clean appearance of grout, caulking, and appliance seals.

Advanced Stain Removal Technology

Breaks Down Mold & Mildew Stains
Targets black spots, discoloration, and grime caused by mold and mildew on grout, caulking, and rubber seals.

Restores the Look of Seals & Grout
Helps eliminate unsightly stains that make bathrooms, kitchens, and appliance seals look dirty.

Clings to Vertical Surfaces
The thick gel formula stays in place on grout lines, caulking, and rubber seals for targeted stain removal.

Deep Cleaning Gel Formula
The concentrated gel adheres to the stained area, allowing the cleaning formula to penetrate and break down stubborn discoloration before wiping away clean.

BLITZ™ Mold Stain Remover Gel helps remove stubborn mold stains, mildew discoloration, and grime that accumulate in high-moisture areas, helping restore the clean appearance of grout, caulking, and appliance seals.

Features
• Powerful gel formula designed to target mold stains and mildew discoloration
• Clings to vertical surfaces like grout lines, caulking, and rubber seals
• Helps remove black spots and stubborn buildup in high-moisture areas
• Precision gel application reduces splashing and mess
• Easy-to-apply formula for targeted cleaning

Ingredients
Sodium Hypochlorite Based Cleaning Solution, Thickening Agents, Stabilizers, Surfactants.

Directions
Ensure the surface is dry and free from loose dirt or debris.
Apply the gel directly to the stained area, covering the discoloration completely.
Allow the gel to sit for 3–5 hours so the formula can penetrate the stain.
Use a damp cloth or sponge to wipe away the gel.
Rinse the treated area with clean water and allow it to air dry.

Disclaimer
Always read product labels, warnings, and directions before use.

How to Use BLITZ™ Mold Stain Remover Gel1. Identify the Treatment Area
Locate the area where you will apply BLITZ™ Mold Stain Remover Gel. Ensure the surface is dry and free from loose dirt or debris.
Always wear gloves and protective eyewear when using this product.

2. Apply the Gel
For best results, shake the bottle well before use.
Squeeze the bottle to apply the cleaning gel directly onto the discolored area, fully covering the stain.
Allow the gel to sit for 3–5 hours until it has hardened.

3. Wipe Away the Gel
Use a damp cloth or sponge to wipe away the gel. Then rinse the area with clean water.
Note: Repeated rinsing and wiping may be required depending on the amount of gel used.

4. Allow Time to Air-Dry
Allow the treated area to fully air-dry before resuming normal use or making skin contact.

GOBLITZCLEAN BLITZ Mold Stain Remover for appliances, showing cleaning spray bottle and mold stain removal in action.

BLITZ Mold Stain Remover

 4.7 • 713 reviews
Regular price $24.95
Regular price $24.95 Sale price
SAVE Liquid error (snippets/price line 116): Computation results in '-Infinity'% Sold out
View full details

The gel formula is easy to apply and doesn't drip everywhere like sprays.

Emma Richardson.

This product removed stains around the sink caulking that other cleaners couldn't remove.

Jason Miller.

It works well without the strong chemical smell most mold cleaners have.

Olivia Martin.

After letting the gel sit for a few hours, the mold stains were significantly lighter.

Sophia Lee.

If you have mold stains in grout or seals, this cleaner makes a big difference.

Chloe Martin.

The gel formula is easy to apply and doesn't drip everywhere like sprays.

Emma Richardson.

This product removed stains around the sink caulking that other cleaners couldn't remove.

Jason Miller.

It works well without the strong chemical smell most mold cleaners have.

Olivia Martin.

After letting the gel sit for a few hours, the mold stains were significantly lighter.

Sophia Lee.

If you have mold stains in grout or seals, this cleaner makes a big difference.

Chloe Martin.

The gel formula is easy to apply and doesn't drip everywhere like sprays.

Emma Richardson.

This product removed stains around the sink caulking that other cleaners couldn't remove.

Jason Miller.

It works well without the strong chemical smell most mold cleaners have.

Olivia Martin.

After letting the gel sit for a few hours, the mold stains were significantly lighter.

Sophia Lee.

If you have mold stains in grout or seals, this cleaner makes a big difference.

Chloe Martin.

The gel formula is easy to apply and doesn't drip everywhere like sprays.

Emma Richardson.

This product removed stains around the sink caulking that other cleaners couldn't remove.

Jason Miller.

It works well without the strong chemical smell most mold cleaners have.

Olivia Martin.

After letting the gel sit for a few hours, the mold stains were significantly lighter.

Sophia Lee.

If you have mold stains in grout or seals, this cleaner makes a big difference.

Chloe Martin.

The gel formula is easy to apply and doesn't drip everywhere like sprays.

Emma Richardson.

This product removed stains around the sink caulking that other cleaners couldn't remove.

Jason Miller.

It works well without the strong chemical smell most mold cleaners have.

Olivia Martin.

After letting the gel sit for a few hours, the mold stains were significantly lighter.

Sophia Lee.

If you have mold stains in grout or seals, this cleaner makes a big difference.

Chloe Martin.

The gel formula is easy to apply and doesn't drip everywhere like sprays.

Emma Richardson.

This product removed stains around the sink caulking that other cleaners couldn't remove.

Jason Miller.

It works well without the strong chemical smell most mold cleaners have.

Olivia Martin.

After letting the gel sit for a few hours, the mold stains were significantly lighter.

Sophia Lee.

If you have mold stains in grout or seals, this cleaner makes a big difference.

Chloe Martin.

The gel formula is easy to apply and doesn't drip everywhere like sprays.

Emma Richardson.

This product removed stains around the sink caulking that other cleaners couldn't remove.

Jason Miller.

It works well without the strong chemical smell most mold cleaners have.

Olivia Martin.

After letting the gel sit for a few hours, the mold stains were significantly lighter.

Sophia Lee.

If you have mold stains in grout or seals, this cleaner makes a big difference.

Chloe Martin.

The gel formula is easy to apply and doesn't drip everywhere like sprays.

Emma Richardson.

This product removed stains around the sink caulking that other cleaners couldn't remove.

Jason Miller.

It works well without the strong chemical smell most mold cleaners have.

Olivia Martin.

After letting the gel sit for a few hours, the mold stains were significantly lighter.

Sophia Lee.

If you have mold stains in grout or seals, this cleaner makes a big difference.

Chloe Martin.
 
 
 
 
Long-Lasting Freshness

Maintains Coffee Maker Performance

Over time grime residue accumulates inside of your coffee maker which can decrease functionality. ACTIVE helps maintain performance and prevent issues and repairs.

Fresher Tasting Coffee

Keeping your coffee or espresso maker clean ensures the full taste of your coffee is sustained and free from unwanted impurities.

Mold Stain Cleaning Performance Insights

0%

94%

of users reported visibly cleaner grout, seals, and caulking after using BLITZ™ Mold Stain Remover Gel. Customers noticed reduced black stains and discoloration in common high-moisture areas like bathrooms and appliance gaskets.

0%

89%

of customers experienced noticeable reduction of stubborn mold and mildew stains after the first treatment. The clinging gel formula helps break down discoloration on grout lines, silicone seals, and rubber gaskets.

0%

83%

of users observed longer-lasting cleanliness in treated areas when used as part of routine maintenance. The targeted gel application helps maintain a cleaner appearance in areas prone to moisture buildup.

*Based on customer feedback and product usage observations.

How to Use BLITZ™ Mold Stain Remover Gel

  1. search
    Identify the Treatment Area

    Step 1 - Identify the Treatment Area

    Locate the area where you will apply BLITZ™ Mold Stain Remover Gel. Ensure the surface is dry and free from loose dirt or debris. Always wear gloves and protective eyewear when using this product.

  2. science
    Step 2 - Apply the Gel

    Step 2 - Apply the Gel

    For best results, shake the bottle well before use. Squeeze the bottle and apply the cleaning gel directly to the entire discolored area. Allow the gel to sit for 3–5 hours until it hardens and penetrates the stain.

  3. hourglass_top
    Step 3 - Let the Gel Work (3–5 Hours)

    Step 3 - Let the Gel Work (3–5 Hours)

    Use a damp cloth or sponge to wipe away the gel. Then rinse the treated area with clean water. Note: Repeated rinsing and wiping may be required depending on the amount of gel used.

  4. cleaning_services
    Step 4 - Wipe Away the Gel

    Step 4 - Wipe Away the Gel

    Let the treated area air-dry completely before resuming normal use or making skin contact.

 
 

BLITZ™ Mold Stain Remover for Deep Cleaning

Targets Mold & Mildew Discoloration

The advanced cleaning gel quickly breaks down stubborn mold stains, black spots, and discoloration caused by mildew buildup.

Works on Seals, Grout & Caulking

Perfect for washing machine gaskets, grout lines, silicone caulking, and appliance seals in kitchens, bathrooms, and laundry rooms.

Targeted Cleaning Without Mess

The thick gel formula stays in place on vertical surfaces, allowing you to apply the cleaner exactly where stains appear.

Powerful Cleaning Without Harsh Smells

The effective formula removes stains while maintaining a milder odor compared to traditional harsh cleaning products.

One Year Supply Value Pack

BLITZ™ Mold Stain Remover Gel provides powerful cleaning for stubborn mold and mildew stains. The thick gel formula clings to surfaces like grout, caulking, and appliance seals, allowing the cleaning solution to penetrate deep into discoloration and buildup. It helps restore a cleaner appearance in high-moisture areas while making routine maintenance easier.

  Others
Powerful Mold & Mildew Stain Remover
Removes Black Spots & Discoloration
Thick Gel for Targeted Cleaning
Works on Grout, Seals & Caulking
Low Odor Deep-Cleaning Formula

Powerful Deep-Clean Performance

Blitz

Gentle Formula — No Harsh Additives

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Fully Recyclable Packaging

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Smarter Packaging, Less Waste

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Safe for Everyday Use

Blitz

Designed for Modern Appliances

Blitz

Works Where Dirt Hides

Blitz

Powerful Deep-Clean Performance

Blitz

Gentle Formula — No Harsh Additives

Blitz

Fully Recyclable Packaging

Blitz

Smarter Packaging, Less Waste

Blitz

Safe for Everyday Use

Blitz

Designed for Modern Appliances

Blitz

Works Where Dirt Hides

Blitz

Discover why more people are choosing BLITZ™ for effortless toilet cleaning and long-lasting freshness.

  • Removed the Mold Completely

    The black mold around my washing machine gasket disappeared after using this gel. Very impressed with the results.

    Daniel Carter, Toronto, ON

  • Works Great on Bathroom Grout

    I used it on my shower grout and the stains faded quickly. The gel stays in place and works really well.

    Olivia Bennett, Calgary, AB

  • Perfect for Washing Machine Seals

    Our washer gasket had mold spots and this cleaner made it look much better after one use.

    Lucas Tremblay, Montreal, QC

     
     

    Cleaner Seals, Fresher Surfaces

    Our powerful gel formula helps break down mold stains, mildew discoloration, and grime buildup. It penetrates deep into grout, caulking, and appliance seals to remove stubborn stains and restore a cleaner appearance in high-moisture areas.

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    After

     
     
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    Frequently asked questions

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    What does this product do?

    BLITZ™ Seal & Grout Mold Stain Remover is designed to remove stains, discoloration, black spots, and residue caused by mold and mildew. The powerful gel formula penetrates deep into affected areas to help restore a cleaner appearance.

    This cleaner is recommended for rubber surfaces such as washing machine gaskets, appliance seals, and silicone caulking. It can also be used on tile grout in kitchens, bathrooms, and laundry areas.

    Do not use BLITZ™ Mold Stain Remover on fabrics or delicate materials.

    Due to the nature of the cleaning ingredients, the product may have a mild scent during application. Compared to many traditional mold cleaners, the odor is less harsh and dissipates after cleaning.

    BLITZ™ Mold Stain Remover contains active cleaning ingredients that may cause skin or eye irritation. Always wear protective gloves and eyewear when applying the product.

    BLITZ™ Mold Stain Remover features a thick gel formula that stays in place on surfaces. This allows for precise application without dripping or overspray, making it easier to target problem areas.