S.Korea to send boron to stabilise Japan reactor SEOUL, March 16 | Wed Mar 16, 2011 2:04am GMT (Reuters) - South Korea said on Wednesday it would send some of its reserve boron to Japan after a request from Tokyo for the metalloid, which being is mixed with seawater to limit damage to Japan's crippled nuclear reactors. An economy ministry official said South Korea would send 52.6 tonnes of boron to Japan from its reserves of 310 tonnes. Tokyo has requested supplies of the key material, vital for stopping fission nuclear reactions, after its own stockpile has been largely used up at the Fukushima nuclear power plant. http://uk.reuters.com/article/2011/03/16/japan-quake-boron-idUKTOE72F00N20110316 damn they must be using loads of the stuff.