<span class="link_user">@Swoky</span>, hi, I don´t know. I haven't been using anything else. I'm watering them every 3-4 days. Last grow when she was blooming it was every 2 days. It really helps to air the soil, so it doesn't get too dense. Good luck for you too
<span class="link_user">@martiniii</span>, the last 2 weeks of Flower i smelled something when I entered the room the box is in. Just slightly though. And now it's drying and I don't have any smell outside the box anymore. For me it seems to work fine. I might have to replace the carbon for my 3rd run. Which model do you have? 2019 of from 2020?