Microcide, Inc. will refund payments on unopened or untampered returned goods equal to the actual purchase price without any shipping charges paid for the item. A restocking charge of 15% is applicable on all returned goods and will be deducted from the refund amount. The returned goods must be received properly packaged with paid shipping within 10 business days. Liquid products are not eligible for refunds. Shipping address for returned goods is: 6633 18 Mile Rd, #2G, Sterling Heights, MI USA.