Quote Originally Posted by medvampire
If the N2 is an erosion feeder there is no way it could reach a level to be a effective bacteriostat.
I think that's beside the point. The product is to be used with at least 0.5 ppm free chlorine, and that's clearly stated on the label.

IMO, not mentioning the explicit requirement for having a concurrent free chlorine level of at least 0.5 ppm is misrepresenting the product.