Pls read up more on tangs requirement........... You have just got yourself one of the toughest tang to keep.......... Since you got it, ok achilles tang are very prone to ich, thus prevention is needed for example frozen stuff soak with garlic......... And snce it is a tang, vegetable requirment for tang is a must therefore suggest you read up on the forum, product review under AT's nori thread, there he will tell you how to prepare nori for your tangs................ Imo achilles tang need excellent water quality and BTW achilles are fierce atng so keep that in mind