Can this be used on area rugs?

Hello from Karcher - The detergents for cleaning rugs is very different than other detergents since they are designed to be vacuumed, not pressure washed.

If the pressure washer dilutes the concentrate 20 to 1, why can't the concentrate be added to the washer directly?

Hello from Karcher - as with many detergents, they are packaged as ready to use or are concentrated and must be diluted to be ready to use. To keep you from buying 20 gallons of ready-to-use detergent, the concentrated version is simpler to store but must be diluted with 20 parts water. Then you fill the pressure washer soap tank with the ready to use (diluted) detergent. The water from the pressure washer is the carrier of the detergent which makes the application of the detergent simpler than spraying a bottle of soap on the wall or car to be cleaned. Further dilution by the pressure washer is already calculated into the mix of soap and water.

Do you simply pour this into the soap dispenser of your pressure washer or do you need to dilute first?

Hello from Karcher - it is highly concentrated and needs to be diluted with 20 parts water to 1 part concentrated soap. Premix this first then pour the diluted solution into the tank. It is very difficult to premix in the tank and this affects how well the soap is applied. Besides, you can keep a premixed amount available ready to use.

Can this / will this clean asphalt shingles roofs?

Asphalt shingles can be easily damaged by a high pressure stream. If you try it be very careful.

Multipurpose Cleaner | Desertcart EGYPT

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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E£ 9864

Duties & taxes included

In stock

Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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Description

🧽 Clean smarter, not harder—unlock pro-level shine with every spray!

FAST FLAWLESS - Cuts through grime quickly without streaks or residue—professional results at home.
VERSATILE CLEANING - Perfect for everything from patios to cars to fences—your all-in-one solution.
ECO CONSCIOUS FORMULA - Made in the USA with eco-friendly ingredients for guilt-free cleaning.
POWERFUL CONCENTRATION - One gallon makes up to 40 gallons of detergent—clean more, buy less.
SEAMLESS COMPATIBILITY - Works with most gas & electric pressure washers, including KÄRCHER’s own.

KÄRCHER Multi Purpose Pressure Washer Detergent is a highly concentrated, eco-friendly cleaning solution made in the USA. Compatible with most consumer gas and electric pressure washers, it delivers powerful, streak-free cleaning for patios, driveways, cars, fences, and more. One gallon yields up to 40 gallons of ready-to-use detergent, making it a cost-effective choice for fast, versatile outdoor cleaning.

Specifications

ASIN	B01BMB4C86
Best Sellers Rank	#3,386 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #14 in Pressure Washer Accessories
Brand	KÄRCHER
Brand Name	KÄRCHER
Customer Reviews	4.4 out of 5 stars 5,344 Reviews
Global Trade Identification Number	00036339581446
Included Components	Accessory
Item Form	Liquid
Item Type Name	Multi-Purpose Soap
Item Volume	128 fluid ounces
Item Weight	8.3 pounds
Manufacturer	Karcher
Material Feature	Eco-Friendly
Material Features	Eco-Friendly
Model Number	9.558-144.0
Number of Items	1
Part Number	9.558-144.0
Scent	Fresh
Size	128 Fl Oz (Pack of 1)
Special Features	Concentrated, Made in the USA
Specific Uses For Product	All-Purpose Cleaning, Car Washing, Fence Cleaning, Siding Washing, Driveway Cleaning, & More
Surface Recommendation	Cars, Fences, Patio Furniture, Siding, Driveways, Heavy Equipment, & More
UPC	036339581446
Unit Count	128 Fluid Ounces

Reviews

G**A

Power-Clean Results Without the Hassle – Seriously Impressive!

I picked up the Kärcher Multi-Purpose Pressure Washer Detergent and it absolutely delivered beyond expectations. This stuff cuts through dirt, grime, and buildup like it’s nothing—my patio and driveway honestly look almost brand new again. What I love most is how versatile it is. I’ve used it on siding, concrete, and even outdoor furniture, and it works great across the board without any issues. You don’t need to use a ton either—a little goes a long way, which makes it a great value. It works perfectly with my pressure washer and produces a nice, even clean without leaving streaks or residue behind. The whole process felt quicker and easier compared to other cleaners I’ve tried. If you want professional-level cleaning results at home without extra effort, this detergent is a must-have. Highly recommend!

23.04.2026

M**Y

perfect

love the mix of 40 gallons. used with my new pressure washer on siding that doesn't get a lot of sun so had alot of green. Sprayed on and let sit 5 minutes. Power sprayed right off. Doing my non finished deck next to prep for stain.

11.07.2026

M**.

Great on concrete!

Worked very well on our concrete patio, it looks great!

25.07.2026

S**6

Rock solid as usual with this company

Kärcher is what Kärcher has always been: a high qualify brand offering only the best for the money. Where possible I only get Kärcher. Unbeatable.

9.08.2026

A**N

Soap is fine, but delivery could be much improved

Good product, but left out on my driveway

16.05.2026

L**Z

Works well!

Bought a small pressure washer. Put the cleaner in a bucket with water and it worked wonderfully! I then had a second bucket with clear water and then rinsed the soapy water. Used this method on my deck. My husband used this to wash his car and It worked great!

20.05.2026

K**R

Soap

Always use pressure washer manufacturers recommendation for detergent

6.08.2026

N**E

Price

Worked well ough stains.n to

15.05.2026

R**E

Service rapide et conforme

Article rapide et conformes à la description

4.08.2026

M**.

For the price and quantity it's a good deal

For the price and quantity it's a good deal. it work ok and give positive result.

24.07.2026

T**A

Good

Cleaned patio well

7.08.2026

R**T

Lifts dirt and grime

Works as stated and with the 19 to 1 ratio this 3.78 L bottle will last a long time. I just used it on the side of my house with good results,lifted the dirt and grime on my vinyl siding and was easy to rinse off.

23.06.2026

L**D

still had to really scrub my vinyl siding to get it clean

27.07.2026

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E£ 9864

Duties & taxes included

In stock

Sold byAmazon EGYPTDelivered 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 EGYPT.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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