paw-paw 0 Posted September 8, 2010 So I have been reading about regular filters + water changes (even 50%/week) don't remove nitrates from the tanks...and there are filters available (nitrate filters) that do remove nitrates. But my question is...if you have plants in the tank (that remove nitrate) can you still use nitrate filters or would that harm my plants by #starving# them since they use nitrate for food? Or do plants not need nitrates for normal growth? Thanks 0 Quote Share this post Link to post Share on other sites