yer debo the hoover i use is a old one from when i used to do static valeting its called numatic wv570 blue bucket a bit bigger than little Charles and yes your right its very powerful indeed but still wont lift the grit stones even with a narrow crevice im thinking about stripping the carpet out and using brisk shampoo and wet vaching it,maybe then it will be clean

thanks for the tip on the over-spray micro cloth is the way forward