DI Resin 1lb by Resintech</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>1lb Color Changing Nuclear Grade DI Resin</li><li>The resin changes from Blue to light brown as it is depleted.</li><li>We vacuum package our resin， this removes virtually all of the carbon dioxide within the packaging itself.</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41QIdtDtCoL.jpg' noproxy></br>