Non-member submission from [klaus.schoening at jungle_org (Segeberger)] Ink from papers is poisonous, won't it affect, -> in last = term, your fishes, even if litlle or imperceptivelly?? -> Francisco Alcobia Most newspaper inks in the USA today are soybean based and do not have any measurable lead in them so they aren't poisonous. I would stay away from colored inks though.