Obviously the end result is what counts, i.e. when dry. I did a cotton/rayon mix suite today. I used solutions no 2. On the lightly soiled areas a fine mist was enough, on the more heavily soiled areas I found the initial mist although actively agigated was not good enough, but a second application produced acceptable results. I clean one heavily soiled seat cushion in this manner and speed dried with the blower whilst doing the rest of the suite exept the other settee seat cushion.
When the cleaned cushion was dry I compared it with the still soiled other seat cushion - it was certainly much cleaner and I have to admit as the suite was drying it was getting brighter all the time.
I guess its a case of going through the procedures and knowing its clean even if it doesnt jump out and say "Im clean" as soon as youve done it, just like some wool carpets do even when using conventional detergents with optical brighteners.
I agree with Glynn, I can definetly see the value of MSs more in the use of upholstery cleaning than carpets, but would add that anyone leaving sustantial conventional detergent residues in whatever they are cleaning, are not using them correctly, for there is no reason why this should happen. When used correctly they do not leave resoiling residues, as is proved in my operations on a daily basis - like today, lounge carpet, medium soiled - I last cleaned with Crystal Green four years ago. It hadnt been cleaned since and as I was going the client said "See you in another four years."
Dave.