can I use the 30 second cleaner on my shower walls

I would NOT use it in the house as it's designed to be used outdoors. Thus the name - outdoor cleaner.

So is this 4 gallons 4 quarts

Thanks for your question! This is for 4 bottles of 1 gallon each. So you will receive 4 gallons total.

Can this be used on a sealed flagstone pool patio?

I used it for my house. And it worked well. I’m sure it’ll do wonders for the patio as well

I sprayed over this thing on the roof. it did clean, although i had to brush off moss. however, it is showing yello after application. is it expected?

To kill moss on your roof shingles mix 1 gallon of bleach, 1 gallon of water, & 1 cup of dawn dishwashing detergent. Spray it on and let it sit with no chance of rain. Shingle manufactures recommend it. I’m sorry I don’t know about the yellowing.

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30 SECONDS Mold & Mildew Cleaner & Stain Remover Concentrate | 1 Gallon

Product ID: 732890689

Details

Brand
30 SECONDS
Item form
Spray
Material features
Organic
Scent
Wood
Specific uses for product
outdoor

🌿Plant & lawn safe

🧴1:1 concentrated formula

⏱️Cleans stains in 30 seconds

€ 158.66

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Description

⏳ Clean fast, live fresh—because your outdoors deserve the spotlight!

RAPID STAIN ERASER - Blast away mold, mildew, and grime in just 30 seconds for instant curb appeal.
ECO FRIENDLY FORMULA - Safe for your garden and lawn—clean without compromise.
POWER PACKED CONCENTRATE - Mix 1:1 with water for a potent, cost-effective clean that lasts.
VERSATILE SURFACE SAVIOR - Perfect for fences, decking, siding, concrete, vinyl, and wood.
EFFORTLESS OUTDOOR REVIVAL - Restore your outdoor spaces to vibrant, like-new condition with minimal effort.

30 SECONDS Mold & Mildew Cleaner & Stain Remover Concentrate is a powerful, plant-safe outdoor cleaning solution that removes organic stains from mold, mildew, dirt, and grime in just 30 seconds. Its easy-to-use 1:1 concentrated formula is designed for multiple surfaces including wood, concrete, vinyl, and siding, ensuring a vibrant, refreshed look while being safe for plants and lawns when used as directed.

Specifications

ASIN	B000VRQSIK
ASIN	B000VRQSIK
Brand Name	30 SECONDS
Contains Liquid Contents?	Yes
Customer Reviews	4.4 4.4 out of 5 stars (2,074)
Customer reviews	4.4 4.4 out of 5 stars (2,074)
Global Trade Identification Number	00040235751285
Is Discontinued By Manufacturer	No
Item Form	Spray
Item Volume	5000 Milliliters
Item model number	1G30S
Material Features	Organic
Model Number	1G30S
Part Number	1G30S
Product Dimensions	33.02 x 33.02 x 30.48 cm; 4.11 kg
Scent	Wood
Special Features	Concentrated
Specific Uses For Product	outdoor
Surface Recommendation	Concrete,Vinyl,Wood
UPC	040235751285
Unit Count	128 Milliliters

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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€ 158.66

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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