Dont take my word for it heres a link. Im not saying adding the nitrate is wrong I am saying overstocking is wrong for obvious reasons I cant believe any of you are arguing this.You want more info telling you there is a safer way just let me know.
http://en.allexperts.com/q/freshwate...ted-tank-1.htm oops crappy link,type cyano into the sites search bar should be the first one that comes up,experts name is Nick.
Cheers