Alkaline Buffer， 1.2 kg / 2.6 lbs</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Raises Ph. And Increases Alkalinity (KHz)</li><li>A Non-Phosphate Buffer To Raise Ph. And Alkalinity And Buffer With Acid Buffer</li><li>Designed for the planted aquarium or for very hard water where phosphate buffers may pose algae or cloudiness problems</li><li>Gentle， Safe， And Enhances The Freshwater Environment</li><li>300 Grams Treats 500 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/41I6YXU5u0L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31b0sOSQXHL.jpg' noproxy></br>