it have got sth to do with their healing through internet forum read-ups..
other than the filtration effects of carbon, carbon is term as "to prevent anemone toxic harming other live stocks"
but of course this is a 50-50 thing,u need to have injure anemones in order to prove this theory,but better to be skeptical..
there is also many other myths online tht rbta and gbta cannot co-exist in long run in terms of yrs,the green 1s norm RIP 1st..
there are so many external factors in a livestock death..but then again if nth dies, LFS will all go busted...