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

Made a huge difference when jet-washing my patio this year. Great stuff.

Works well on stone and brick walls. Smells nice too.

Good Product

Seem to do the job of loosing the dirt.

Good

Hmmm, the jury is out on how effective this product is. It foams nicely, has a pleasant smell but not sure just how much it adds to power washing a hard surface.My Karcher supposedly has a plug and use system but this often doesn't seem to work very well, so I use a separate dispenser on the lance that you would normally associate with washing a car to dispense the cleaner, then I use the rotating hard surface patio cleaner attachment to work the foam in.As I say it gives you the satisfaction of knowing you are doing everything you can to achieve a good clean, but really, would you miss it?

Used this in conjunction with karcher pressure washer to clean the patio that had not been cleaned before and worked well leaving it looking refreshed and with a pleasant smell

Seems to do the job, patio looks nice. Although you need to work out the correct mix ratio, otherwise you will use it all in no time.