# Biofluid network - Stage 2 (technology) internal name `biofluid-mk02` · tier 6 (pY science pack 3, [tier 6](https://factorio.kalzumeus.com/tier/6.md)) HTML page: https://factorio.kalzumeus.com/tech/biofluid-mk02/ ## Cost 900 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), 3 × [Military science pack](https://factorio.kalzumeus.com/item/military-science-pack.md)), 180 s each. ## Requires (3) - [Biofluid network - Stage 1](https://factorio.kalzumeus.com/tech/biofluid-mk01.md) - [Military science pack](https://factorio.kalzumeus.com/tech/military-science-pack.md) - [pY science pack](https://factorio.kalzumeus.com/tech/py-science-pack-3.md) ## Leads to (1) - [Biofluid network - Stage 3](https://factorio.kalzumeus.com/tech/biofluid-mk03.md) ## Unlocks (4 recipes) ### Ammonium nitrate (`ammonium-nitrate`) - 2 s · tier 6 - Ingredients: 2 × [Guano](https://factorio.kalzumeus.com/item/guano.md), 10 × [Pressurized water](https://factorio.kalzumeus.com/fluid/pressured-water.md) - Results: 1 × [Ammonium nitrate](https://factorio.kalzumeus.com/item/ammonium-nitrate.md) - Made in: Evaporator MK 01, Evaporator MK 01 (Legacy), Evaporator MK 02, Evaporator MK 02 (Legacy), Evaporator MK 03, Evaporator MK 03 (Legacy), Evaporator MK 04, Evaporator MK 04 (Legacy) - Unlocked by: [Biofluid network - Stage 2](https://factorio.kalzumeus.com/tech/biofluid-mk02.md) ### Explosives (`guano-explosives`) - 4 s · tier 6 · productivity modules allowed - Ingredients: 100 × [Glycerol](https://factorio.kalzumeus.com/fluid/glycerol.md), 50 × [Sulfuric acid](https://factorio.kalzumeus.com/fluid/sulfuric-acid.md), 1 × [Ammonium nitrate](https://factorio.kalzumeus.com/item/ammonium-nitrate.md) - Results: 8 × [Explosives](https://factorio.kalzumeus.com/item/explosives.md) - Made in: Chemical plant, Chemical plant MK 01, Chemical plant MK 02, Chemical plant MK 03, Chemical plant MK 04 - Unlocked by: [Biofluid network - Stage 2](https://factorio.kalzumeus.com/tech/biofluid-mk02.md) ### Gunpowder (`guano-gunpowder`) - 4 s · tier 6 · productivity modules allowed - Ingredients: 1 × [Coke](https://factorio.kalzumeus.com/item/coke.md), 1 × [Sulfur](https://factorio.kalzumeus.com/item/sulfur.md), 100 × [Saline water](https://factorio.kalzumeus.com/fluid/water-saline.md), 2 × [Guano](https://factorio.kalzumeus.com/item/guano.md) - Results: 10 × [Gunpowder](https://factorio.kalzumeus.com/item/gunpowder.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: [Biofluid network - Stage 2](https://factorio.kalzumeus.com/tech/biofluid-mk02.md) ### Huzu (`huzu`) - 120 s · tier 6 - Ingredients: 2 × [Generic earth DNA samples](https://factorio.kalzumeus.com/item/earth-generic-sample.md), 1 × [Potato DNA samples](https://factorio.kalzumeus.com/item/earth-potato-sample.md), 2 × [cDNA](https://factorio.kalzumeus.com/item/cdna.md), 3 × [Great alien sample](https://factorio.kalzumeus.com/item/alien-sample-03.md), 10 × [Biosample](https://factorio.kalzumeus.com/item/bio-sample.md), 50 × [Saline water](https://factorio.kalzumeus.com/fluid/water-saline.md), 100 × [Coal water slurry](https://factorio.kalzumeus.com/fluid/coal-slurry.md), 50 × [Fetal serum](https://factorio.kalzumeus.com/fluid/fetal-serum.md) - Results: 1 × [Huzu](https://factorio.kalzumeus.com/item/huzu.md) - Made in: Creature chamber MK 01, Creature chamber MK 02, Creature chamber MK 03, Creature chamber MK 04 - Unlocked by: [Biofluid network - Stage 2](https://factorio.kalzumeus.com/tech/biofluid-mk02.md)