Skimmers - How often do you clean them?

[fishytime]

the cup and neck should be cleaned more often then once a month....the crud that collects in the neck cause the bubbles to burst prematurely, making the skimmer less effective....a clean skimmer skims better.....

I have my skimmer set so that it needs to be cleaned every three days or so(whether I like or not).....the pump and skimmer body get cleaned once or twice a year....