A valve on any hydroponics system.
A valve to close the flow of water, not to adjust the level. That is the basics of a hydroponics valve.
by doublestandarddems April 23, 2013
A method of growing plants in flowing water without soil that often comes up in conversation between two stoned roommates conspiring about how to turn the hall closet into Little Humbolt.
by AtticaFox June 10, 2020
by SpecterPatronum! December 24, 2022
by Mustang Chef April 5, 2019