I'm with Jaime.
I've actually mounted protests against capillary film. (Just kidding.)
In it's defense though, it does have it's place and there are some applications that almost require it. It's uniform thicknesses (it comes in varying) allows for consistent times and stencil quality. It gives overall superior edge definition etc. And there are many screen printing (t-shirt) shops that swear by it and use nothing else. Roger Jennings is a strong proponent of capillary. (But what does he
But it tends to give beginners unecessary headaches. And you should ultimately learn to use it properly. In the mean time though I say go diazo.