<h2>Deep Blue Professional - Ammonia Reducer In Jar With Media Bag</h2><p>Laboratory grade zeolite is an essential filtration additive used in aquatic fish keeping which safely reduces harmful levels of ammonia & other nitrogenous compounds&#046; The large surface area on zeolite granules promotes colonization of beneficial bacteria essential to a healthy aquatic enviroment&#046; Safe for both freshwater and marine aquariums&#046;</p><ul><li>25OZ</li></ul>