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.

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KärcherMulti Purpose Pressure Washer Detergent, Removes Dirt and Grime from Fences, Siding, Patios, Driveways, Sidewalks, Concrete and More, Highly Concentrated, Makes up to 20 gal of Cleaner[Amazon-developed Certification] Compact by Design

KärcherMulti Purpose Pressure Washer Detergent, Removes Dirt and Grime from Fences, Siding, Patios, Driveways, Sidewalks, Concrete and More, Highly Concentrated, Makes up to 20 gal of Cleaner[Amazon-developed Certification] Compact by Design

Product ID: 39835000

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Details

Brand
Kärcher
Item Form
Liquid
Scent
Fresh
Specific Uses For Product
All-Purpose &
Material Feature
Eco-Friendly

⚡Fast-acting dirt removal

🧴Highly concentrated formula

🇺🇸Made in the USA quality

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Description

✨ Elevate your outdoor cleaning game with Kärcher’s powerhouse detergent! 🧼

PROUDLY AMERICAN - Crafted in the USA with premium ingredients for trusted, consistent performance.
STREAK FREE SHINE - Leaves surfaces spotless without residue, enhancing curb appeal instantly.
MAXIMIZE YOUR CLEAN - One gallon makes up to 20 gallons of powerful detergent—stretch your cleaning budget further.
SPEED MEETS STRENGTH - Formulated to remove dirt and grime quickly from fences, patios, driveways, and more.
UNIVERSAL POWER PARTNER - Compatible with most gas & electric pressure washers for seamless, versatile use.

Kärcher Multi Purpose Pressure Washer Detergent is a highly concentrated, versatile cleaning solution designed for use with most gas and electric pressure washers. Made in the USA, this detergent efficiently removes dirt and grime from a wide range of outdoor surfaces including fences, patios, driveways, and siding. One gallon of concentrate yields up to 20 gallons of ready-to-use cleaner, delivering streak-free results quickly and effectively.

Specifications

Manufacturer	Karcher
Part Number	9.558-144.0
Item Weight	8.25 pounds
Product Dimensions	7.25 x 11 x 4 inches
Country of Origin	USA
Item model number	9.558-144.0
Is Discontinued By Manufacturer	No
Size	1 Gallon (Pack of 1)
Color	Green
Style	1 Gallon
Pattern	Soap Concentrate
Power Source	manual
Volume	1 Gallons
Item Package Quantity	1
Special Features	Degreaser, Streak Free, Concentrated
Usage	All-Purpose Cleaning, Car Washing, Fence Cleaning, Siding Washing, Driveway Cleaning, & More
Included Components	Accessory
Batteries Included?	No
Batteries Required?	No

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