MB enzyme soil lifter (and its woolsafe though wasn't a requirement)
cleaned trashed sd nylon today with it with zero heat and zero agitation(lpg bottle empty) even though enzymes need heat to be at there best it pulled everything but 2 orange stains which I'd normally nuke juice out or play with seperately anyway
Code Red is our more powerful but the SS1 Blue and Free and Clear can clean well too....
If I need a boost we just use our Harvard GForce liquid soy booster.
I haven't carried anything stronger for number of years and I can see some trashed places!
If I have a warranty situation we will use Harvard Grime Release Pro but it's really been a long time since I have seen a carpet under warranty (even meeting warranty requirements). I really like to not use Butyl though these days.
Most people don't get their carpet cleaned often enough or soon enough to keep warranty.
And some of today's new poly doesn't respond to anything but some ph even though they would like under 10 ph.
When i run into something just nice and clean can even use our new Deep Blue All Purpose - All Fiber Rinse as a prespray and rinse also.