# Rennea - Stage 4 (technology) internal name `rennea-mk04` · tier 8 (pY science pack 4, [tier 8](https://factorio.kalzumeus.com/tier/8.md)) HTML page: https://factorio.kalzumeus.com/tech/rennea-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 (3) - [Pesticides - Stage 2](https://factorio.kalzumeus.com/tech/pesticides-mk02.md) - [pY science pack](https://factorio.kalzumeus.com/tech/py-science-pack-4.md) - [Rennea - Stage 3](https://factorio.kalzumeus.com/tech/rennea-mk03.md) ## Leads to (0) - none ## Unlocks (6 recipes) ### Seed extraction MK 04 (`abraded-rennea-seed-filtering-mk04`) - 10 s · tier 8 - Ingredients: 500 × [Water](https://factorio.kalzumeus.com/fluid/water.md), 7 × [Partially digested rennea seeds MK 04](https://factorio.kalzumeus.com/item/digested-rennea-seeds-mk04.md), 2 × [Filtration media](https://factorio.kalzumeus.com/item/filtration-media.md) - Results: 100 × [Liquid manure](https://factorio.kalzumeus.com/fluid/liquid-manure.md), 7 × [Abraded rennea seeds MK 04](https://factorio.kalzumeus.com/item/abraded-rennea-seeds-mk04.md) - Made in: Bioreactor, Bioreactor, Bioreactor, Bioreactor MK 02, Bioreactor MK 02, Bioreactor MK 02, Bioreactor MK 03, Bioreactor MK 03, Bioreactor MK 03, Bioreactor MK 04, Bioreactor MK 04, Bioreactor MK 04, Bioreactor, Bioreactor MK 02, Bioreactor MK 03, Bioreactor MK 04 - Unlocked by: [Rennea - Stage 4](https://factorio.kalzumeus.com/tech/rennea-mk04.md) ### Rennea (`rennea-4`) - 40 s · tier 8 · productivity modules allowed - Ingredients: 16 × [Rennea seeds](https://factorio.kalzumeus.com/item/rennea-seeds.md), 100 × [Water](https://factorio.kalzumeus.com/fluid/water.md), 50 × [Manure bacteria](https://factorio.kalzumeus.com/fluid/manure-bacteria.md), 10 × [Soil](https://factorio.kalzumeus.com/item/soil.md), 8 × [Coarse fraction](https://factorio.kalzumeus.com/item/coarse.md), 9 × [Fertilizer](https://factorio.kalzumeus.com/item/fertilizer.md), 1 × [Yaedols](https://factorio.kalzumeus.com/item/yaedols.md), 15 × [Lignin](https://factorio.kalzumeus.com/item/lignin.md), 2 × [Pesticide MK 01](https://factorio.kalzumeus.com/item/pesticide-mk01.md), 5 × [Blood meal](https://factorio.kalzumeus.com/item/blood-meal.md), 200 × [Carbon dioxide](https://factorio.kalzumeus.com/fluid/carbon-dioxide.md), 2 × [Lamp](https://factorio.kalzumeus.com/item/small-lamp.md), 1 × [Growth factor](https://factorio.kalzumeus.com/item/gh.md), 8 × [Urea](https://factorio.kalzumeus.com/item/urea.md), 1 × [Pesticide MK 02](https://factorio.kalzumeus.com/item/pesticide-mk02.md) - Results: 28 × [Rennea](https://factorio.kalzumeus.com/item/rennea.md) - Made in: Rennea plantation MK 01, Rennea plantation MK 02, Rennea plantation MK 03, Rennea plantation MK 04 - Unlocked by: [Rennea - Stage 4](https://factorio.kalzumeus.com/tech/rennea-mk04.md) ### Phase 4 rennea breeding program (`rennea-mk04`) - 30 s · tier 8 - Ingredients: 4 × [Rennea MK 03](https://factorio.kalzumeus.com/item/rennea-mk03.md), 300 × [Carbon dioxide](https://factorio.kalzumeus.com/fluid/carbon-dioxide.md), 5 × [Stone wool](https://factorio.kalzumeus.com/item/stone-wool.md), 15 × [Manure](https://factorio.kalzumeus.com/item/manure.md), 10 × [Coarse fraction](https://factorio.kalzumeus.com/item/coarse.md), 1000 × [Water](https://factorio.kalzumeus.com/fluid/water.md) - Results: 0.053 × [Rennea seeds MK 04](https://factorio.kalzumeus.com/item/rennea-seeds-mk04.md) (0.5% chance of 1–20), 0.5 × [Rennea seeds](https://factorio.kalzumeus.com/item/rennea-seeds.md) (50% chance) - Made in: Rennea plantation MK 01, Rennea plantation MK 02, Rennea plantation MK 03, Rennea plantation MK 04 - Unlocked by: [Rennea - Stage 4](https://factorio.kalzumeus.com/tech/rennea-mk04.md) ### Rennea pomology MK 04 (`rennea-mk04-breeding`) - 90 s · tier 8 - Ingredients: 6 × [Abraded rennea seeds MK 04](https://factorio.kalzumeus.com/item/abraded-rennea-seeds-mk04.md), 300 × [Carbon dioxide](https://factorio.kalzumeus.com/fluid/carbon-dioxide.md), 100 × [Nitrogen](https://factorio.kalzumeus.com/fluid/nitrogen.md), 10 × [Stone wool](https://factorio.kalzumeus.com/item/stone-wool.md), 2 × [Phosphoric acid barrel](https://factorio.kalzumeus.com/item/phosphoric-acid-barrel.md), 10 × [Coarse fraction](https://factorio.kalzumeus.com/item/coarse.md), 10 × [Water barrel](https://factorio.kalzumeus.com/item/water-barrel.md) - Results: 4 × [Rennea MK 04](https://factorio.kalzumeus.com/item/rennea-mk04.md), 12 × [Empty barrel](https://factorio.kalzumeus.com/item/barrel.md) - Made in: Rennea plantation MK 01, Rennea plantation MK 02, Rennea plantation MK 03, Rennea plantation MK 04 - Unlocked by: [Rennea - Stage 4](https://factorio.kalzumeus.com/tech/rennea-mk04.md) ### Dingrit abraded rennea seeds MK04 (`rennea-mk04-dingrit-pup-digestion`) - 60 s · tier 8 · productivity modules allowed - Ingredients: 3 × [Dingrit pup](https://factorio.kalzumeus.com/item/dingrits-cub.md), 10 × [Rennea seeds MK 04](https://factorio.kalzumeus.com/item/rennea-seeds-mk04.md), 20 × [Tuuphra](https://factorio.kalzumeus.com/item/tuuphra.md) - Results: 2 × [Dingrit](https://factorio.kalzumeus.com/item/dingrits.md) (1–3), 10 × [Partially digested rennea seeds MK 04](https://factorio.kalzumeus.com/item/digested-rennea-seeds-mk04.md) - Made in: Dingrit pack MK 01, Dingrit pack MK 02, Dingrit pack MK 03, Dingrit pack MK 04 - Unlocked by: [Rennea - Stage 4](https://factorio.kalzumeus.com/tech/rennea-mk04.md) ### Rennea seed separation MK 04 (`rennea-mk04-seed-seperation`) - 15 s · tier 8 - Ingredients: 4 × [Rennea MK 04](https://factorio.kalzumeus.com/item/rennea-mk04.md) - Results: 12.5 × [Rennea seeds MK 04](https://factorio.kalzumeus.com/item/rennea-seeds-mk04.md) (10–15), 10 × [Tall oil](https://factorio.kalzumeus.com/fluid/tall-oil.md), 10 × [Black liquor](https://factorio.kalzumeus.com/fluid/black-liquor.md) - Made in: Leaching station MK 01, Leaching station MK 02, Leaching station MK 03, Leaching station MK 04 - Unlocked by: [Rennea - Stage 4](https://factorio.kalzumeus.com/tech/rennea-mk04.md)