DrTim's Aquatics Ammonium chloride - 2 oz bottle</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Makes fishless cycling easy， no messing， smelly dead shrimp in the tank</li><li>Concentration is 50 mg/L of total ammonia-nitrogen (TAN). Dose 4 drops per gallon of aquarium water.</li><li>Pure diluted ammonium chloride</li><li>Use with One and Only Nitrifying Bacteria.</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/414pJ%2BMh07L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31zONTucjPL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31Vt9YWHavL.jpg' noproxy></br>