i Use shinco dehumidifier, 10l day capacity, 1.5 liter tank, tank fills every 12-18 hours which affords routine, but you can install an extra tank theres a good easy option for it. I have this one in my tent and my plants love it, but i suggest a strong outtake, because this thing is cooling the air with some selfmade cooling liquid or something it smells like alcohol a bit. Dont know how it does that because it simply gets energy. The airflow of the machine is tempwise ok to cannabis, my plants floating in the wind of it.