Got the mist system up and running.
So given the temporary nature of the table, I'm just using a standard garden hose to connect with instead of plumbing a more permanent system. I've got a standard 3/4" female hose fitting to male 3/4" fitting that is also a backflow preventer. This is important because you don't want to suck back any nasties into your drinking water. This threads into 3/4" electrically controlled solenoid valve to turn the water on and off. From the valve the 3/4" pipe runs down the center of the table, underneath, sprouting two 24" risers that are simply capped, drilled, and threaded to accept the mist nozzles.
I went with two risers instead of an overhead pipe to control the dripping that occurs when the mist collects on the pipe an drips onto the rooting medium. Additionally I slipped a 6" section of 2" pipe around the riser where it protrudes through the rooting medium to control dripping.
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