We give highest technical support when you use Hi-Tech Photographic Chemistry. Please feel free to browse our web site for best technical information. If you have further questions, please feel free to contact us. Sometime it is difficult to understand your trouble without seeing your actual photo. You could scan the photo and email to us for fastest support. Electronic photo may appear different from real photo. In some occasions, you may have to mail them to us. There is no boundary to support you in nowadays technology.