Filtration line cleaner

I was working on a mold spot yesterday and was having the hardest time getting the black out of the carpet. Usually i just use some dry solvent and it seems to do a pretty good job. This one just didn’t want to budge. So i tried are filtration line cleaner and it was incredible it took the black out instantly. I have only tried it once but i figured i would post it on here so you all can try it and see if it works as well for you.