Advance ES300ST System
The first step is to pre-vacuum with the VU500 Spectrum vacuum cleaner 4 passes at 1.8ft/sec on each pass. The second step is pre-spray with the 3M Scotchguard Pretreatment Concentrate 16 oz/1gl at 1.0gl/200ft2. Allow to dwell for 10 minutes prior to cleaning. The final step is to hot water extract with Advance ES300ST using 2 wet extraction passes followed by 2 dry extraction passes at a rate of 1ft/sec on each pass.