Marine Buffer， 4 kg / 8.8 lbs</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Safely Raises And Maintains Ph. In Marine Aquariums At 8.3</li><li>A Blended Product That Is Not Just Sodium Bicarbonate And Sodium Carbonate Which Are Commonly Sold As A Substitute</li><li>Contains sodium， magnesium， calcium， strontium， and potassium salts of carbonate， chloride， sulfate， and borate</li><li>Remains The Most Effective Ph. Buffer Available On The Market For Marine Aquaria</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/41sUiWrLBIL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31uv3ISqe2L.jpg' noproxy></br>