The second plant did not respond nearly as well to some drought stress tests.
We use it for comparison.
Consider this an experiment in stunted growth due to damage in early veg.
@TomatoloverBoy, I found this: http://420dotcom.com/aeroponics-diy-easy-aeroponic-system-build.html helpful for sourcing equipment and getting a sense of what I'd need.
I went to a hardware shop to find the hard plastic tubing and fittings I needed to deal with the pressure.