How to culture micro worms for betta fry
The Perfect First Live Food for Fry
Microworms are a staple for raising small fry like bettas and killifish. They're easy to culture and provide excellent nutrition.
What You Need:
Small plastic container with lid
Rolled oats or instant mashed potatoes
Water
Starter culture of microworms
Optional: yeast
Step-by-Step Setup:
1. In a clean container, spread a thin layer of oats or mash
2. Add enough water to make it slightly wet, not soupy
3. Mix in a pinch of yeast (optional, speeds up culture)
4. Add starter culture of microworms
5. Poke small air holes in lid and cover container
6. Place in warm area (room temp to 80°F)
Harvesting:
After 3–5 days, worms will climb the sides
Use a cotton swab or finger to collect and rinse into fry tank
Feed once or twice a day in small amounts
Maintaining Culture:
Remove moldy parts
Replace base every 1–2 weeks
Start a backup culture weekly to ensure continuity