Q. What is the best all-around spot cleaner for carpets?
A. If it is a building where I am responsible for the continual appearance of the carpet, I prefer to mix up an encapsulation cleaner. It doesn't remove tar and coffee as well as a strong carpet spotter, but it leaves zero harmful residue. In fact, that treated spot will resist re-soiling. Most of the encapsulation cleaners dilute 1:10, affording a cost savings over the full-strength spotter.
Then, if the spot is difficult, I carry a mild solvent for white-out, grease, gum, etc. and a mild carpet acidic rinse (normally diluted 1:5) for coffee, tea and water spots. So with three spray bottles, I end up with an all-purpose spotting kit.
It is more to keep up with than just one product, but offers a more comprehensive coverage. So the choice is yours.
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