If for some reason you are not completely satisfied with On The Go® Portable Water Softener unit ("Product"), you can return the product, transportation prepaid at your expense, to our company for a full refund within 30 days of original purchase if the issue is not related to your source water quality, as source water quality is outside of our control. Additionally, On The Go® reserves the right to charge the customer a restocking fee if the resin has been used.