I actually do a combo of both. It is a bit of work, but I feel it works better for me. No data really to back it up.
I run my skimmer very dry. There is about 18" in the main chamber to dry up plus the riser tube. Everyday in the AM before I leave for work, I do a 10 sec cisual check of things. Then, I give the gate valve a big turn making the water in the chamber raise all the way to the top leaving the last 2" or so in the riser tube only. It flushes out all the super dry stuff. Then, after 20-30 sec there, I turn it back to where it will dry the hell out of it again.
