RECALL KENT Marine Reef Carbon

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RECALL KENT Marine Reef Carbon

Post by bulldogg7 on Thu Feb 23, 2012 8:22 pm

"Feb 22, 2012
RE: KENT Marine Reef Carbon Product Advisory

There is a quality concern with KENT Marine Reef Carbon manufactured between December 5th of 2011 and February 8th of 2012. The concern is that the batch of carbon contained unusually high levels of heavy metals which have an adverse effect on stony corals and clams in marine settings. KENT Marine Reef Carbon is a virgin coal based carbon that is mined giving it greater adsorption properties. Unfortunately during this mining process, small layers containing heavy metals like copper were introduced into the carbon. This contamination of heavy metals would likely go undetected in freshwater environments and would not affect livestock. However in marine (salt water) aquariums, the effects can be seen in as quickly as a couple of hours to stony corals and clams. Fish and higher invertebrates such as shrimp do not seem to be affected. After removal of the contaminated carbon and dilution by a water change or use of other filtration means, most corals have been able to recover in 2-3 weeks from the exposure."


http://www.kentmarine.com/news/news-archive/kent-marine-reef.htm

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