# Korlex upgrade (technology)

internal name `korlex-upgrade` · tier 6 (pY science pack 3, [tier 6](https://factorio.kalzumeus.com/tier/6.md))
HTML page: https://factorio.kalzumeus.com/tech/korlex-upgrade/

## Cost

1750 units of (1 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 2 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 3 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 6 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 10 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 20 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 180 s each.

## Requires (2)

- [Filtration - Stage 2](https://factorio.kalzumeus.com/tech/filtration-mk02.md)
- [Korlex - Stage 3](https://factorio.kalzumeus.com/tech/korlex-mk03.md)

## Leads to (0)

- none

## Unlocks (0 recipes)

Other effects: nothing

None.