I use this stuff, substantially similar claims and practical bennies: http://smile.amazon.com/Laundry-Detergent-Liquid-32-oz/dp/B004NXWM2Y/ref=sr_1_1?ie=UTF8&qid=1391204444&sr=8-1&keywords=allen's+naturally
The Charlie’s looks to be cheaper per load from Amazon. I get my Allen’s locally though, in gallon jugs.
