# Cottongut - Stage 2 (technology) internal name `cottongut-mk02` · tier 4 (pY science pack 2, [tier 4](https://factorio.kalzumeus.com/tier/4.md)) HTML page: https://factorio.kalzumeus.com/tech/cottongut-mk02/ ## Cost 1300 units of (1 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 2 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 3 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 6 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 90 s each. ## Requires (3) - [Bhoddos - Stage 1](https://factorio.kalzumeus.com/tech/bhoddos.md) - [Cadaveric arum](https://factorio.kalzumeus.com/tech/cadaveric-arum.md) - [Grod - Stage 1](https://factorio.kalzumeus.com/tech/grod.md) ## Leads to (1) - [Cottongut - Stage 3](https://factorio.kalzumeus.com/tech/cottongut-mk03.md) ## Unlocks (6 recipes) ### Cottongut (`caged-cottongut-2`) - 130 s · tier 4 · productivity modules allowed - Ingredients: 11 × [Cottongut pup](https://factorio.kalzumeus.com/item/cottongut-pup.md), 4 × [Moondrop](https://factorio.kalzumeus.com/item/moondrop.md), 2 × [Water barrel](https://factorio.kalzumeus.com/item/water-barrel.md), 1 × [Basic cottongut food](https://factorio.kalzumeus.com/item/cottongut-food-01.md), 1 × [Bedding](https://factorio.kalzumeus.com/item/bedding.md), 5 × [Tuuphra seeds](https://factorio.kalzumeus.com/item/tuuphra-seeds.md) - Results: 2 × [Empty barrel](https://factorio.kalzumeus.com/item/barrel.md), 9 × [Cottongut](https://factorio.kalzumeus.com/item/cottongut.md) - Made in: Prandium lab MK 01, Prandium lab MK 02, Prandium lab MK 03, Prandium lab MK 04 - Unlocked by: [Cottongut - Stage 2](https://factorio.kalzumeus.com/tech/cottongut-mk02.md) ### Cottongut pup (`cottongut-cub-2`) - 20 s · tier 4 · productivity modules allowed - Ingredients: 4 × [Cottongut](https://factorio.kalzumeus.com/item/cottongut.md), 2 × [Moondrop](https://factorio.kalzumeus.com/item/moondrop.md), 3 × [Water barrel](https://factorio.kalzumeus.com/item/water-barrel.md), 10 × [Yotoi aloe seeds](https://factorio.kalzumeus.com/item/yotoi-seeds.md), 1 × [Bhoddos](https://factorio.kalzumeus.com/item/bhoddos.md), 1 × [Bedding](https://factorio.kalzumeus.com/item/bedding.md), 1 × [Basic cottongut food](https://factorio.kalzumeus.com/item/cottongut-food-01.md), 2 × [Filled milk barrel](https://factorio.kalzumeus.com/item/barrel-milk.md) - Results: 3 × [Empty barrel](https://factorio.kalzumeus.com/item/barrel.md), 16 × [Cottongut pup](https://factorio.kalzumeus.com/item/cottongut-pup.md), 2 × [Empty milk barrel](https://factorio.kalzumeus.com/item/empty-barrel-milk.md) - Made in: Reproductive complex MK 01, Reproductive complex MK 02, Reproductive complex MK 03, Reproductive complex MK 04 - Unlocked by: [Cottongut - Stage 2](https://factorio.kalzumeus.com/tech/cottongut-mk02.md) ### Quality cottongut food (`cottongut-food-02`) - 10 s · tier 4 · productivity modules allowed - Ingredients: 2 × [Tin plate](https://factorio.kalzumeus.com/item/tin-plate.md), 5 × [Ralesia seeds](https://factorio.kalzumeus.com/item/ralesia-seeds.md), 15 × [Native flora](https://factorio.kalzumeus.com/item/native-flora.md), 10 × [Rennea seeds](https://factorio.kalzumeus.com/item/rennea-seeds.md), 10 × [Seaweed](https://factorio.kalzumeus.com/item/seaweed.md), 15 × [Tree seeds](https://factorio.kalzumeus.com/item/wood-seeds.md), 10 × [Ash](https://factorio.kalzumeus.com/item/ash.md), 100 × [Steam](https://factorio.kalzumeus.com/fluid/steam.md), 10 × [Moondrop](https://factorio.kalzumeus.com/item/moondrop.md) - Results: 6 × [Quality cottongut food](https://factorio.kalzumeus.com/item/cottongut-food-02.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 - Unlocked by: [Cottongut - Stage 2](https://factorio.kalzumeus.com/tech/cottongut-mk02.md) ### Cottongut stud MK 02 (`cottongut-mature-basic-mk02`) - 50 s · tier 4 - Ingredients: 3 × [Cottongut stud pup MK 02](https://factorio.kalzumeus.com/item/cottongut-pup-mk02.md), 3 × [Dried grod](https://factorio.kalzumeus.com/item/dried-grods.md), 2 × [Rennea](https://factorio.kalzumeus.com/item/rennea.md), 1 × [Quality cottongut food](https://factorio.kalzumeus.com/item/cottongut-food-02.md), 1 × [Cadaveric arum](https://factorio.kalzumeus.com/item/cadaveric-arum.md) - Results: 2 × [Cottongut stud MK 02](https://factorio.kalzumeus.com/item/cottongut-mk02.md) - Made in: Prandium lab MK 01, Prandium lab MK 02, Prandium lab MK 03, Prandium lab MK 04 - Unlocked by: [Cottongut - Stage 2](https://factorio.kalzumeus.com/tech/cottongut-mk02.md) ### Phase 2 cottongut breeding program (`cottongut-mk02`) - 30 s · tier 4 - Ingredients: 1 × [Cottongut stud pup](https://factorio.kalzumeus.com/item/cottongut-pup-mk01.md), 50 × [Fetal serum](https://factorio.kalzumeus.com/fluid/fetal-serum.md), 1 × [DNA polymerase](https://factorio.kalzumeus.com/item/dna-polymerase.md), 20 × [Artificial blood](https://factorio.kalzumeus.com/fluid/artificial-blood.md) - Results: 0.005 × [Cottongut stud MK 02](https://factorio.kalzumeus.com/item/cottongut-mk02.md) (0.5% chance), 0.5 × [Cottongut stud](https://factorio.kalzumeus.com/item/cottongut-mk01.md) (50% chance) - Made in: Reproductive complex MK 01, Reproductive complex MK 02, Reproductive complex MK 03, Reproductive complex MK 04 - Unlocked by: [Cottongut - Stage 2](https://factorio.kalzumeus.com/tech/cottongut-mk02.md) ### Cottongut stud pup MK 02 (`cottongut-pup-mk02-raising`) - 30 s · tier 4 - Ingredients: 2 × [Cottongut stud MK 02](https://factorio.kalzumeus.com/item/cottongut-mk02.md), 1 × [Bedding](https://factorio.kalzumeus.com/item/bedding.md), 1 × [Vrauk cocoon](https://factorio.kalzumeus.com/item/cocoon.md), 5 × [Tuuphra seeds](https://factorio.kalzumeus.com/item/tuuphra-seeds.md), 1 × [Quality cottongut food](https://factorio.kalzumeus.com/item/cottongut-food-02.md) - Results: 1 × [Cottongut stud MK 02](https://factorio.kalzumeus.com/item/cottongut-mk02.md), 0.5 × [Cottongut stud MK 02](https://factorio.kalzumeus.com/item/cottongut-mk02.md) (50% chance), 3.85 × [Cottongut stud pup MK 02](https://factorio.kalzumeus.com/item/cottongut-pup-mk02.md) (70% chance of 3–8) - Made in: Prandium lab MK 01, Prandium lab MK 02, Prandium lab MK 03, Prandium lab MK 04 - Unlocked by: [Cottongut - Stage 2](https://factorio.kalzumeus.com/tech/cottongut-mk02.md)