Concentrate 128 is offering FREE samples of their cleaner! You can probably actually get a HUGE amount of cleaning done with the sample as it is so concentrated, they claim that 12 quarts of Contcentrate 128 will produce 128 quarts of cleaner!! (hmmm…wonder where the name came from?!)
Simply email them to request your sample at : firstname.lastname@example.org
For more info on their products, check out the Concentrate 128 Website.