Fritz Aquatics Mardel Copper Safe Treats， 1-Gallon</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Treats ick， flukes， anchor worms and other parasites in fish</li><li>Will not interfere with biological filter</li><li>Will not discolor water</li><li>For use in fresh and saltwater tanks</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/41KH-H9RSKL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31tEDoCP0EL.jpg' noproxy></br>