Reef Fusion， 1， 4 L / 1.1 fl. gal.</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Raises calcium; Two part system maintains calcium and alkalinity levels</li><li>Provides concentrated ionic calcium</li><li>Also includes biologically appropriate levels of magnesium， strontium， boron， iron， manganese， and molybdenum</li><li>When used as directed Reef Fusion 1 and Reef Fusion 2 will maintain the critical levels of calcium and alkalinity necessary for healthy coral growth</li><li>500 milliliters treats 3250 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/41QrqCdsZwL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41cOjQhSBaL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31gNsPZC6pL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51MNH1JHOhL.jpg' noproxy></br>