are the detergent bottles made to fit the K3.540 karcher washer

The detergent bottles (62957650) fit my Karcher K4.

Can u use this on brick walls ?

Yes you can but you’ve probably got a white chalky substance on your brickwork that you’re trying to get off called effervescence and you’ll need a proper brick acid to remove this and not put on through your pressure washer as it will eat Aluminium as well as the white. For this you’ll need a special brick acid and water it down slightly and apply with a bucket and brush leave it a while then remove by washing it off with your pressure washer on low or just your hose pipe

Is the stone cleaner safe to use around artificial grass?

Unfortunately I don't know enough about artificial grass to answer this properly but for the cleaner there is a downloadable specifications document on the Karcher website which has safety precautions, limitations of use etc.That will give you all the relevant information from Karcher's perspective. If you check with artificial grass manufacturers they should be able to tell you if specific chemicals will damage / stain their products.

Can it be used in Portland stone

I've only used it on my stone bird bath ,Sorry not very helpful ...

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Kärcher 62957650 3-in-1 Stone Plug and Clean - Black, Stone Cleaner

Kärcher 62957650 3-in-1 Stone Plug and Clean - Black, Stone Cleaner

Product ID: 48071928

Details

Brand
KÄRCHER
Item form
Liquid
Item volume
1 Litres
Material Type Free
Dye Free
Material feature
Non-Toxic
Scent
Unscented

🏡Ideal for terraces, walls & facades

🧴1L concentrated liquid

🛡️3-in-1 dirt & algae protection

214.81 DT

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Description

🧼 Elevate your outdoor spaces with effortless, all-in-one stone care!

NON TOXIC DYE FREE - Safe for your home environment without harsh chemicals or artificial scents
VERSATILE SURFACE USE - Perfectly formulated for stone surfaces on terraces, walls, and facades
POWERFUL 3 IN 1 FORMULA - Cleans, dissolves dirt, and protects against algae and weather damage
TRUSTED GERMAN ENGINEERING - Backed by Kärcher’s legacy of quality with 4.4-star rating from 4,300+ users
CONCENTRATED 1 L PLUG CLEAN - Easy-to-use, mess-free container designed for precision and efficiency

The Kärcher 62957650 3-in-1 Stone Plug and Clean is a concentrated, non-toxic stone cleaner designed to dissolve dirt, protect against algae, and shield surfaces from weather damage. Packaged in a convenient 1L plug & clean container, it’s ideal for terraces, walls, and facades, delivering professional-grade cleaning with trusted German quality.

Specifications

ASIN	B00DREUVFK
Best Sellers Rank	6,988 in Grocery ( See Top 100 in Grocery ) 73 in Household Cleaners: Floor Cleaners
Brand	KÄRCHER
Brand Name	KÄRCHER
Capacity	1000 ml
Contains Liquid Contents?	Yes
Country of Origin	Germany
Customer Reviews	4.4 out of 5 stars 4,347 Reviews
Global Trade Identification Number	04039784712300
Item Form	Liquid
Item Type Name	Kärcher 62957650 3-in-1 Stone Plug and Clean - Black
Item Volume	1 Litres
Item Weight	1 Kilograms
Item form	Liquid
Item volume	1 Litres
Manufacturer	Kärcher
Material Features	Non-Toxic
Material Type Free	Dye Free
Material feature	Non-Toxic
Model Number	6.295-765.0
Number of Items	1
Part Number	62957650
Product Warranty	No warranty.
Scent	Unscented
Size	1 l (Pack of 1)
Special Features	Concentrated
Specific Uses For Product	Floor
Specific uses for product	Floor
Surface Recommendation	Stone
Unit Count	1000.0 millilitre

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TrustScore 4.5 | 7,300+ reviews

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214.81 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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