I had 8 squares of Flotex carpet to clean the other day in a childrens nursary approx 3x3 metres full of protein stains,not normally a problem as we encounter this on an everyday bassis but not on Flotex!! I asked advice from a yorkshire based chemical company that shall remain nameless on the cleaning meathod i should addopt as I have never realy had brilliant resullts with this stuff, They recomended I use Enzyme shampoo with either a bonnet or a scrubbing brush with a extraction unit ! well i tried both ways and could not get a satisfactory result, So i tried using enzyme scrubbed in with my chemstractor then rinsing out with chemspec formula 70 then using a bonnet to help with wickback, has anyone tried to bonnet clean Flotex ? its bloody hard work!! anyway needless to say I got a satisfactory result