Every carpet cleaner has sprayed a pre-spray... only to wonder why it didn't perform like it should. Most of the time, the problem isn't the carpet. It's the chemistry, or more importantly, how it's being used. A few simple adjustments to water temperature, dwell time, and product selection can dramatically improve your cleaning results while reducing effort. Watch Ryan Explain Ryan explains what makes PureForce Pro Presto different and how to get the best cleaning