I have been vaping the last 45 minutes with both top and bottom airflow closed as well as the top set to fill. Still plenty of juice and flavor coming from the coil and I am no where near a dry hit. I forgot to close the airflows after using it early this morning and the coil head oversaturated. I pulled the atomizer head and the basin below is still full of juice. Seems like when you are not using it you need to just close everything to keep the atomizer from flooding. Maybe this is the solution to the flooding problem? Could be a vacuum problem with the tank design? Mine did work perfectly the 1st day and I didn't have any problems until it sat overnight. Thanks to my local B&M guys for helping me with this issue. I will see how it works this way. As long as I remember to close everything and set it to fill when not in use, if this works I will move it back into my line-up, but this tank may require too much fiddling for an everyday vape. I am still loving the flavor and clouds, so it may just be decent tank for at home use.