Brightwell Aquatics Kalk+2 - Advanced Kalkwasser Supplement 100g / 3.5oz</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Contains calcium， strontium， and magnesium in the same ionic ratios found in aragonite. This unique</li><li>Provides temporary alkalinity and helps maintain pH within the desired range when used as directed</li><li>Adds no conservative elements， such as chloride， to the aquarium</li><li>Improves upon the industry-standard powdered calcium supplement over the past three decades</li><li>Formulated by a marine scientist.</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/51MP8SD6WvL.jpg' noproxy></br>