I know that.Ammonia and nitrite should be handled by your biological filter. Nitrate can only be reduced by water changes unless you have photosynthesizing plants.
brianhellno;3368889; said:This may or may not help you but from what I understand if you use Prime then it will reduce Nitrates. Oddly they have zero scientific anything to back this claim up but here's a link to their website where they have this information.
http://www.seachem.com/support/FAQs/Prime.html
Actually they don't. From thier site:brianhellno;3373502; said:Then why do they claim it does on their site?
Detoxification is the chemical binding in a nontoxic form. It is still in the water.Q: How does Prime make a difference in reducing Nitrates?
A: The detoxification of nitrite and nitrate by Prime (when used at elevated levels) is not well understood from a mechanistic standpoint.