At the moment I am getting loads of work removing spots and stains in apartment blocks, although I do get too clean the whole block the management company now seems to just want me to do a quick spot and stain treatment when they appear and to do a complete clean every year or so.
At the moment I either use a prochem powermax or ashbys diamondback which takes more time setting up than it does cleaning, so I'm on the look out for a spotting machine, I would be grateful for your input on this