Pond Boss Forums GENERAL QUESTIONS Property Projects & Construction PVC options for new dock??

You can also use 2" galvanized pipe. There are screws that are sold that fit inside the pipe, and are locked in place with 2 bolts. You just screw the pipe into the bottom of the BOW with a pipe wrench. For a cleaner cut on the top of the pipe, use a pipe cutter. Go to a fence supplier and get potmetal caps or pipes will fill up with water and be a potential breeding place for mosquitoes if the top of the pipes are exposed to rain.

Sometimes the big box stores don't have specialized hardware, or a poor selection of it.

A quick google search turned up this: post screw (sand screw)

You can also use a hose inside the pipe to wash the dirt away from the end of the pipe, and it virtually falls into the hole. Stop before you get to the correct height, and pound it down the last foot or so. If not, it might settle down further into the bottom of the BOW on it's own. (been there, done that)