Ok so my ppm is 196 so im pretty sure I need to get that up. What the recommended ppm for veg then bloom? I've read so many different answers all over the place
You think that would be worth it or just stick with 2 of these for each exhaust. They say 110cfm each. Worst this is I could return them if they don't work. Well I can't post the link cause I'm new here but it's basically just a 120mm cabinet fan