Probably watermark has etched into the clearcoat. Might need to try compounding/polishing to remove that.

    Just share my new toy  == >  Damage = Rm 699.00 (Karcher K2.98M)  K2-7 raya gift 

Where is your Karcher PW now? Which model of Karcher was that?

Yes agree. Karcher, Borsch is like Toyota and Honda comparison. Both from Germany, both are reliable tool manufacturer but everything that you get from Toyota (Karcher) is at a higher price than Honda (Borsch).
Since the Borsch Aquatak model is later than the Karcher current series of pressure washer model, so no doubt the design by Borsch will incorporate more new idea. What more, Borsch even got a Borsch-to-Karcher adapter so Borsch PW user can use Karcher accessories.

Karcher invented the pressure washer. Their core business still the industrial pressure washer, so home & garden usage kind of lack a bit in speed of R&D.
Yah I feel the Borsch 3 in 1 nozzle is genius idea too. But I bought my PW in a fair and no Borsch there so I still happily chosen Karcher  .
Usually where you will search for your Borsch PW accessories? Or the provided lance already enough for you at the moment you do not invest into more accessories yet?
Karcher accessories in Malaysia quite easy to find, I think this one Borsch needs to catch up.