Betta Fish + Peace Lily in Vase: Correct Setup for Both

A "betta vase" with a peace lily requires specific geometry—roots in water, crown in air. Your current setup (roots submerged, leaves yellowing) will kill the plant.

Correct Configuration

1. Vase: Narrow-necked (vase, not bowl).
2. Plant position: Peace lily rests on neck; roots dangle through opening into water.
3. Air gap: 1–2″ between plant base and water surface. Lower roots absorb water; upper roots absorb air (O₂/CO₂).
4. Water: Dechlorinated, changed weekly (partial) or biweekly (full).
5. Fish care: Feed 2–3 pellets 2×/day. Remove uneaten food. Water changes essential—fish waste ≠ plant fertilizer.

Why Your Leaves Yellow

Fully submerged roots rot → no oxygen → plant declines. The air gap is non-negotiable.

Resources

• Betta vase setup guide
• AquariumFish.net betta vase info

Rebuild correctly. Both betta and peace lily thrive for years in a proper vase.