rocknurworld2006
Fish Aficionado
does prime contain copper??
) and it only says 'complexed hydrosulfite salts'. Have you tried going to their website? It might have detailed info on all their products or maybe a way to contact them with a question. Hope you find your answer! 

i use prime in my shrimp breeding tanks and i have 100s of babies![]()
it wont be that whats killed them
sharon