Oxygen Deficiency in Roots? (Root Hypoxia)
Roots need oxygen. Lack of oxygen causes root rot, wilting, and slow growth. Common in overwatered soil and warm hydro.
Oxygen deficiency in roots? Root hypoxia—see causes and analyze fast.
Common Causes
- Overwatering in soil
- Poor drainage
- Compacted soil
- Warm water in hydro (low dissolved O2)
- No air stones in DWC
How to Tell Which One You Have
Wilting despite wet medium, slow growth, yellowing, brown slimy roots, foul smell from roots.
FAQ
Fix soil?
Let dry out, improve drainage, add perlite, don't overwater.
Fix hydro?
Cool water to 65-68°F, add air stones, increase aeration, beneficial bacteria.
Recover?
Yes if caught early. Severe root rot may not recover.