Neutral Regulator， 4 kg / 8.8 lbs</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Adjusts high or low pH to a neutral pH of 7</li><li>Softens water by precipitating calcium and magnesium while removing any chlorine， chloramine， and ammonia</li><li>Use in combination with Seachem Acid Regulator or Discus Buffer to lower pH; Use in combination with Seachem Alkaline Regulator to raise pH</li><li>250 grams treats up to 1000 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/517d2qXewPL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31m3yYezfaL.jpg' noproxy></br>