Pond pH Buffer， 500 mL / 17 fl. oz.</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Raises and stabilizes pH</li><li>Designed to raise， buffer and stabilize the pH of decorative ponds without the use of phosphate</li><li>Ideal for use with planted ponds containing koi， goldfish， and other pond fish</li><li>Is not eutrophic and will not promote algae growth</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/41pc5FV41vL.jpg' noproxy></br>