Deep Water Culture (DWC)
Plant roots are suspended directly in an aerated nutrient solution. A continuously running air pump and air stone keep dissolved oxygen high enough to support root respiration while roots remain fully submerged.
Specs
- Setup cost
- $40–150
- Monthly op cost
- $5–15
- Footprint
- 1–4 sqft
- Typical draw
- 15 W (peak 25 W)
Strengths
- Direct root oxygenation
- Low hardware cost
- Simple maintenance
- Quiet operation
Weaknesses
- Root rot if oxygenation fails
- Power outage sensitive
- Limited to small and medium plants
- Reservoir temperature swings in warm rooms
Best for
Linked names lead to a full hydroponic guide for that plant. Unlinked names will activate as those plants are added.
Compatible plant categories
- Leafy Greens
- Herbs
Required equipment
- Air pump
- Air stone
- Net pots
- Opaque reservoir
- Ph meter
- Ec meter
Sources
Data on this page is drawn from the following extension and research sources.
- Penn State Extension — Hydroponic Systems (accessed 2026-04-22)
- UF IFAS Extension — Hydroponic Systems (EDIS) (accessed 2026-04-22)