Here's the simple to use neutral ph spotter that every contract cleaner, hospital, carpet cleaner and householder should have at the ready - for every type of carpet. UNBELIEVABLE, as the name suggests gives you an incredible wide range of stain removing power at the pull of a trigger. Normally high alkaline cleaners are necessary to obtain the same results as UNBELIEVABLE. Stains usually return when other spotters are used. Not UNBELIEVABLE.