Installing a pond pump is a fairly simple process - and, as you'll see in the video linked below, represents one of my last big chances to sound off on the importance of basic pipe-connection skills. Yes, I'll admit that I'm a perfectionist and maybe a bit compulsive about making my pipe connections look right in addition to fitting right.  In the operation covered here, however, there's good reason for care:  If you're sloppy with glue application while installing a check valve, there's always the possibility that