Deep water culture (DWC)

Roots hanging in a deep, aerated reservoir. One air pump is all that separates it from Kratky — more dissolved oxygen, faster growth, support for bigger crops, and exactly one new failure mode.

The gentlest introduction to powered systems: if the pump dies, a DWC bucket degrades into a rough Kratky rather than a dead crop, which makes it the most resilient Tier 2 choice.

Start here — 3 curated links

DWC fundamentals and bucket builds Video youtube.com

The standard 20L bucket build, done properly — net pot sizing, light-proofing, air stones.
Dissolved oxygen in hydroponics Article scienceinhydroponics.com

What the air pump is actually doing, and why water temperature matters more than bubble count.
DWC vs Kratky side-by-side trials Community reddit.com/r/hydro

Measured differences at home scale — smaller than the marketing suggests for greens.

entry added 2026-06-05 · links last verified 2026-06-18 · 3 links