Architeuthis Dux is a heavy green sheening dark purple ink with purple shimmer.

Architeuthis dux is the scientific name for the giant squid, a large, deep-sea dwelling mollusk which can grow up to 10 metres in length.

Dream Ink is an independent Chinese ink maker specialising in beautiful shimmer ink colour combinations for art and calligraphy. Recommended for fountain pen use in medium and broader nibs with good flow.