# Fertilizer - Stage 2 (technology)

internal name `fertilizer-mk02` · tier 2 (Logistic science pack, [tier 2](https://factorio.kalzumeus.com/tier/2.md))
HTML page: https://factorio.kalzumeus.com/tech/fertilizer-mk02/

## Cost

400 units of (1 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 2 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 3 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 60 s each.

## Requires (2)

- [Fertilizer - Stage 1](https://factorio.kalzumeus.com/tech/fertilizer-mk01.md)
- [Sulfur processing](https://factorio.kalzumeus.com/tech/sulfur-processing.md)

## Leads to (2)

- [Incubator upgrade](https://factorio.kalzumeus.com/tech/incubator-upgrade.md)
- [Korlex - Stage 1](https://factorio.kalzumeus.com/tech/korlex.md)

## Unlocks (4 recipes)

### Fertilizer (`fertilizer-1`)

- 5 s · tier 2 · productivity modules allowed
- Ingredients: 50 × [Blood](https://factorio.kalzumeus.com/fluid/blood.md), 6 × [Bones](https://factorio.kalzumeus.com/item/bones.md), 5 × [Urea](https://factorio.kalzumeus.com/item/urea.md), 10 × [Ash](https://factorio.kalzumeus.com/item/ash.md), 20 × [Biomass](https://factorio.kalzumeus.com/item/biomass.md)
- Results: 10 × [Fertilizer](https://factorio.kalzumeus.com/item/fertilizer.md)
- Made in: Fluidised bed reactor MK 01, Fluidised bed reactor MK 02, Fluidised bed reactor MK 03, Fluidised bed reactor MK 04
- Unlocked by: [Fertilizer - Stage 2](https://factorio.kalzumeus.com/tech/fertilizer-mk02.md)

### Fertilizer (`fertilizer-3`)

- 5 s · tier 2 · productivity modules allowed
- Ingredients: 10 × [Seaweed](https://factorio.kalzumeus.com/item/seaweed.md), 2 × [Urea](https://factorio.kalzumeus.com/item/urea.md), 20 × [Ash](https://factorio.kalzumeus.com/item/ash.md), 20 × [Biomass](https://factorio.kalzumeus.com/item/biomass.md)
- Results: 10 × [Fertilizer](https://factorio.kalzumeus.com/item/fertilizer.md)
- Made in: Fluidised bed reactor MK 01, Fluidised bed reactor MK 02, Fluidised bed reactor MK 03, Fluidised bed reactor MK 04
- Unlocked by: [Fertilizer - Stage 2](https://factorio.kalzumeus.com/tech/fertilizer-mk02.md)

### Fertilizer (`fertilizer-fish-1`)

- 5 s · tier 2 · productivity modules allowed
- Ingredients: 150 × [Fish hydrolysate](https://factorio.kalzumeus.com/fluid/fish-hydrolysate.md)
- Results: 3 × [Fertilizer](https://factorio.kalzumeus.com/item/fertilizer.md)
- Made in: Fluidised bed reactor MK 01, Fluidised bed reactor MK 02, Fluidised bed reactor MK 03, Fluidised bed reactor MK 04
- Unlocked by: [Fertilizer - Stage 2](https://factorio.kalzumeus.com/tech/fertilizer-mk02.md)

### Fish hydrolysate (`fish-hydrolysate`)

- 5 s · tier 2
- Ingredients: 100 × [Water](https://factorio.kalzumeus.com/fluid/water.md), 10 × [Sulfuric acid](https://factorio.kalzumeus.com/fluid/sulfuric-acid.md), 10 × [Fish](https://factorio.kalzumeus.com/item/fish.md), 4 × [Sodium hydroxide](https://factorio.kalzumeus.com/item/sodium-hydroxide.md)
- Results: 50 × [Fish hydrolysate](https://factorio.kalzumeus.com/fluid/fish-hydrolysate.md)
- Made in: Biofactory MK 01, Biofactory MK 02, Biofactory MK 03, Biofactory MK 04
- Unlocked by: [Fertilizer - Stage 2](https://factorio.kalzumeus.com/tech/fertilizer-mk02.md)