# Petri dish (technology)

internal name `petri-dish` · tier 0 (Automation science pack, [tier 0](https://factorio.kalzumeus.com/tier/0.md))
HTML page: https://factorio.kalzumeus.com/tech/petri-dish/

## Cost

60 units of (1 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 30 s each.

## Requires (2)

- [Glass technologies](https://factorio.kalzumeus.com/tech/glass.md)
- [Seaweed - Stage 1](https://factorio.kalzumeus.com/tech/seaweed-mk01.md)

## Leads to (1)

- [Moondrop](https://factorio.kalzumeus.com/tech/moondrop.md)

## Unlocks (3 recipes)

### Agar (`agar`)

- 5 s · tier 0 · productivity modules allowed
- Ingredients: 5 × [Seaweed](https://factorio.kalzumeus.com/item/seaweed.md), 100 × [Steam](https://factorio.kalzumeus.com/fluid/steam.md)
- Results: 1 × [Agar](https://factorio.kalzumeus.com/item/agar.md)
- Made in: High pressure furnace MK 01, High pressure furnace MK 02, High pressure furnace MK 03, High pressure furnace MK 04
- Unlocked by: [Petri dish](https://factorio.kalzumeus.com/tech/petri-dish.md)

### Empty petri dish (`empty-petri-dish`)

- 3 s · tier 0
- Ingredients: 50 × [Molten glass](https://factorio.kalzumeus.com/fluid/molten-glass.md)
- Results: 1 × [Empty petri dish](https://factorio.kalzumeus.com/item/empty-petri-dish.md)
- Made in: Glassworks MK 01, Glassworks MK 02, Glassworks MK 03, Glassworks MK 04
- Unlocked by: [Petri dish](https://factorio.kalzumeus.com/tech/petri-dish.md)

### Petri dish (`petri-dish`)

- 5 s · tier 0 · productivity modules allowed
- Ingredients: 1 × [Agar](https://factorio.kalzumeus.com/item/agar.md), 1 × [Empty petri dish](https://factorio.kalzumeus.com/item/empty-petri-dish.md)
- Results: 1 × [Petri dish](https://factorio.kalzumeus.com/item/petri-dish.md)
- Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion,  (flying)
- Unlocked by: [Petri dish](https://factorio.kalzumeus.com/tech/petri-dish.md)