Our products are guaranteed 100% to perform to THE highest standards. YOUR SATISFACTION IS OUR PRIORITY. If for any reason are not fully satisfied with our fluids, please contact us via email or call us direct and we will make it right for you. If we don't RESOLVE THE SITUATION., we will gladly refund your money FOR UP TO 30 DAYS FROM DATE OF PURCHASE. All replacements and refunds must have proof of purchase (invoice) and obtain a rma# via email prior to returning any fluid or equipment to our location.