mr funktastic
Aquarium Advice Addict
if u are using potassium nitrate in your tanks u may want to stock up casue the goverment is planning on banning it. read this and u will understand.
http://www.theglobeandmail.com/servlet/story/LAC.20060812.BOMBCHEMICAL12/TPStory/National
http://www.theglobeandmail.com/servlet/story/LAC.20060812.BOMBCHEMICAL12/TPStory/National