Reef Iodide， 2 L / 67.6 fl. oz.</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Raises Iodide And Contains No Toxic Iodine</li><li>A Concentrated Stabilized Potassium Iodide Source For Reef Aquaria That Will Restore And Maintain Iodide Levels Found In Natural Seawater</li><li>Formulated to provide a safe source of iodide that will not convert to toxic ferric iodine under storage or reef conditions</li><li>Iodide Is An Important Element Required By Invertebrates And Many Soft Corals</li><li>250 Milliliters Treats 5000 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/41Isyq4sp1L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31G1%2B11UPgL.jpg' noproxy></br>