Pond Plumbing Primer
https://www.koiphen.com/forums/showthread.php?t=48919
Plumbing/head/gravity flow curve/ect... by Boggen
https://www.koiphen.com/forums/showthread.php?t=49198
Air-Lift Components
https://www.koiphen.com/forums/showthread.php?t=105319
Filtration Basics
https://www.koiphen.com/forums/showthread.php?t=93019
How to Install a Bottom Drain
https://www.koiphen.com/forums/showthread.php?t=100629
Pond Waterfalls
https://www.koiphen.com/forums/showthread.php?t=40052
Indoor Koi Spa
https://www.koiphen.com/forums/showthread.php?t=103297
Building a Winter Cover
https://www.koiphen.com/forums/showthread.php?t=103355
DIY (Do It Yourself) & MODS (Make Your Own) Projects
https://www.koiphen.com/forums/showthread.php?t=63850
Start to Finish Pond Projects
https://www.koiphen.com/forums/showthread.php?t=35291
Pond Construction FAQ Best Threads Ever Links
https://www.koiphen.com/forums/showthread.php?t=49350