Hi allMarks is customers term. I would say stains Simon no there was no sign of this before leaving we wouldn't leave it like that as a matter of pride and we would know we would get call back.Had three passes with an airflex turbo all vacs on?Can't have been that wet.What's the remedy ? J
<snip>I would check whether spm contains any oxidisers as some bleaching seems to have occurred.<snip>Doug