Now grow us some big girls!
Crap of course it's vacuum not pressure, forgot that one
Thank you for the reassurance as well! I have airdomes or stones in netpots in all of them so it keeps oxygen to the wet areas too, my plants were OK last time even with what "looked" like standing water.
I am building two harnesses today, and I got a syringe and several air pumps close by to blow it all out as well.
for your fast and great response Pop22 I can go set up the res right now