Cupramine， 2 L / 67.6 fl. oz.</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Buffer Activated Copper For Marine And Freshwater</li><li>Less Toxic， Superior To And Safer Than Copper Chlorides， Sulfates， Citrates And Chelates</li><li>Non acidic， less toxic to fish， remains in solution and does not contaminate filter bed; active at low concentrations</li><li>Remove With Carbon Or Cuprisorb; Remove All Invertebrates， Turn Off Uv Sterilizer， And Remove Chemical Filtration Before Dosing</li><li>250 Milliliters Treats 1250 Us Gallons</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/41%2BjJGkPqUL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31WXU04BdVL.jpg' noproxy></br>