# Ralesia - Stage 4 (technology)

internal name `ralesia-mk04` · tier 8 (pY science pack 4, [tier 8](https://factorio.kalzumeus.com/tier/8.md))
HTML page: https://factorio.kalzumeus.com/tech/ralesia-mk04/

## Cost

3300 units of (1 × [pY science pack 4](https://factorio.kalzumeus.com/item/py-science-pack-4.md), 2 × [Production science pack](https://factorio.kalzumeus.com/item/production-science-pack.md), 3 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 6 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 10 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 20 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 30 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 60 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md), 10 × [Military science pack](https://factorio.kalzumeus.com/item/military-science-pack.md)), 450 s each.

## Requires (1)

- [Fawogae - Stage 4](https://factorio.kalzumeus.com/tech/fawogae-mk04.md)

## Leads to (0)

- none

## Unlocks (4 recipes)

### Ralesia (`ralesia-4`)

- 50 s · tier 8 · productivity modules allowed
- Ingredients: 23 × [Ralesia seeds](https://factorio.kalzumeus.com/item/ralesia-seeds.md), 100 × [Water](https://factorio.kalzumeus.com/fluid/water.md), 15 × [Soil](https://factorio.kalzumeus.com/item/soil.md), 10 × [Fertilizer](https://factorio.kalzumeus.com/item/fertilizer.md), 10 × [Ash](https://factorio.kalzumeus.com/item/ash.md), 25 × [Biomass](https://factorio.kalzumeus.com/item/biomass.md), 100 × [Syngas](https://factorio.kalzumeus.com/fluid/syngas.md), 50 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md), 15 × [Urea](https://factorio.kalzumeus.com/item/urea.md)
- Results: 85 × [Ralesia](https://factorio.kalzumeus.com/item/ralesia.md)
- Made in: Ralesia plantation MK 01, Ralesia plantation MK 02, Ralesia plantation MK 03, Ralesia plantation MK 04
- Unlocked by: [Ralesia - Stage 4](https://factorio.kalzumeus.com/tech/ralesia-mk04.md)

### Phase 4 ralesia breeding program (`ralesia-mk04`)

- 30 s · tier 8
- Ingredients: 2 × [Ralesias MK 03](https://factorio.kalzumeus.com/item/ralesia-mk03.md), 1 × [Zinc finger fusion proteins](https://factorio.kalzumeus.com/item/zinc-finger-proteins.md), 10 × [Ralesia seeds MK 03](https://factorio.kalzumeus.com/item/ralesia-seeds-mk03.md), 300 × [Hydrogen](https://factorio.kalzumeus.com/fluid/hydrogen.md), 10 × [Fertilizer](https://factorio.kalzumeus.com/item/fertilizer.md), 100 × [Soil](https://factorio.kalzumeus.com/item/soil.md), 1000 × [Water](https://factorio.kalzumeus.com/fluid/water.md)
- Results: 0.003 × [Ralesias MK 04](https://factorio.kalzumeus.com/item/ralesia-mk04.md) (0.3% chance), 0.7 × [Ralesia](https://factorio.kalzumeus.com/item/ralesia.md) (70% chance)
- Made in: Ralesia plantation MK 01, Ralesia plantation MK 02, Ralesia plantation MK 03, Ralesia plantation MK 04
- Unlocked by: [Ralesia - Stage 4](https://factorio.kalzumeus.com/tech/ralesia-mk04.md)

### Ralesias MK 04 (`ralesia-mk04-breeder`)

- 30 s · tier 8
- Ingredients: 4 × [Ralesia seeds MK 04](https://factorio.kalzumeus.com/item/ralesia-seeds-mk04.md), 400 × [Refined natural gas](https://factorio.kalzumeus.com/fluid/refined-natural-gas.md), 2 × [Fawogae MK 04](https://factorio.kalzumeus.com/item/fawogae-mk04.md)
- Results: 3 × [Ralesias MK 04](https://factorio.kalzumeus.com/item/ralesia-mk04.md), 0.25 × [Ralesias MK 04](https://factorio.kalzumeus.com/item/ralesia-mk04.md) (25% chance), 1 × [Ralesia seeds MK 04](https://factorio.kalzumeus.com/item/ralesia-seeds-mk04.md) (50% chance of 2), 1 × [Fawogae spores MK 04](https://factorio.kalzumeus.com/item/fawogae-spore-mk04.md) (50% chance of 2)
- Made in: Ralesia plantation MK 01, Ralesia plantation MK 02, Ralesia plantation MK 03, Ralesia plantation MK 04
- Unlocked by: [Ralesia - Stage 4](https://factorio.kalzumeus.com/tech/ralesia-mk04.md)

### Ralesia seeds MK 04 (`ralesia-seeds-mk04`)

- 5 s · tier 8
- Ingredients: 5 × [Ralesias MK 04](https://factorio.kalzumeus.com/item/ralesia-mk04.md)
- Results: 8 × [Ralesia seeds MK 04](https://factorio.kalzumeus.com/item/ralesia-seeds-mk04.md)
- Made in: Botanical nursery MK 01, Botanical nursery MK 02, Botanical nursery MK 03, Botanical nursery MK 04
- Unlocked by: [Ralesia - Stage 4](https://factorio.kalzumeus.com/tech/ralesia-mk04.md)