Karcher foaming with vario lance?

perr

New member
Hi,

Does anyone know if it's possible to mod the karcher 5.91 in such a way that it would mix in the chemicals from the container even at higher pressure?

By default, you can only spray the shampoo/foam at lowest pressure, and that's why it doesn't make a nice dense foam. But when I spray the foam with the variolance in "mix" mode (lowest pressure), and then rapidli increase the pressure, I get a very nice foam for a moment, but then it stops mixing the chemical. Is there a way around this?
 
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