I've never heard of that product.
Why don't you try rearranging your fans? Or rearranging your plants, and see how they react? Air flow can be hard like that; since it's invisible you don't necessarily SEE that there's a 'dead spot' somewhere in your grow room where air just stagnates... in my veg room it used to be in a back corner... in my friend's room it's also in a corner... those little $5 walmart metal fans are good for scattering around the room and eliminating that shit.