Gregory, Gregory, my dear Gregory.....I will tell you how to fix this but you must first do me a favor...remove your panties, take some ibuprofen, and change the pad....because from the above post it seems like it is THAT time of the month for you young man.
I am about 99.999999999999% positive from what I have read here that this is soil wicking. It does NOT take much soil to create a soil wicking condition that can make your life a miserable bitch. On what you have explained it seems as though the carpet had probably (but not always) been improperly cleaned. This has led to a huge soil buildup that could take a few more HEAVY cleanings to get out. Once that soil gets into those tight grouped fibers and into the loops themselves it is a BITCH to get out.
If you just say the word water the carpet wicks. So Gregory my dear sufferer of MPMS (mens premenstrual syndrome) please carefully listen to me on how to clean this carpet.
You want to let the client know that this carpet is going to wick soil and do it so badly that it might seem like it was never even cleaned.
You then want to go in and hit it HARD (and I mean hit it hard like that carpet was Breviks FACE) with a good pre-spay. Really hit it hard. You do NOT care if it wicks some because you are going to force it to wick.
You are then going to turn up the pressure or use a RX-20 and try to flush the living hell out of the carpet. Really really really flush that carpet...again, you know it is going to wick. You want it to wick. But the key is that the more flushing you do the less soil that is going to wick. You are NOT going to get all of it....so again, expect it to wick.
Now here is the key....do NOT put airmovers on that carpet. LET IT WICK! You want all the remaining soil or most of it to come to the surface.
Now you are going to go back the second day and use an encapsulation cleaner with THIN cotton pads...no, not the cotton pads you seem to be using now or use a few days of the month but the cotton pads Wacked Out John G. sells. They are the best.
You are then going to lightly mist the encapsulation cleaner on the carpet and slowly but SURELY pad the remaining soil off. You are going to use a lot of pads. None of this quickly going over the carpet like so many do with a bonnet. Nope that is the HACK way of padding. You are going to take your time and get that soil out of the carpet.
Next, if that does not completely work you are going to take some 40 volume hydrogen peroxide and lightly mist it over the carpet and either leave it (if you think you got most of the soil) or you are going to put some on a little heavier and then pad that off. It works, trust me.
Another technique that you can,and Rich knows about this, is to take sodium bisulfate (sic) and do with it what I said to do with the hydrogen peroxide. It is technically also a bleach, it just works as a reducer.
We just got done cleaning the absolute worse commercial carpet for wicking I have EVER seen. We were told that nine other cleaners had tried to clean it and the results were not good. We got a chance to work on the toughest area and it came out so good they had us do the entire carpet. This was a carpet so loaded with soil that it was really hard to believe you were not actually cleaning dirt paths. Rich, from Mountain View, was one of the other cleaners that had cleaned this carpet.
Unfortunately for Rich he was just called in by another cleaner to help and Rich did NOT get to do what he wanted to do which is what I described above. If he had been able to do it his way HE would have gotten the account. Sorry Rich but that is what happens when you work with guys that don't know JACK. Anyway, Rich knows what he is doing. So listen to us Gregory.
Some of what has been described is wear...no doubt....but these types of carpets can hold an amazing amount of soil and it needs to be flushed out aggressively and then the rest needs to be padded. NOT bonetted....padded! Major difference.
Many have been taught to go light on the prespray and the pressure but on these nasty wicking carpets going light just ensures that more soil is going to wick to cause you sleepless nights. And Gregory, we know the cramping and bloating is already causing you many problems....so just listen up son and be sure to tell them it will not be perfect. And charge a lot!
Rich, a trip to the strip club is much needed. Call me.
DevilDog