# Improved cottongut: RecA

Pyanodons item · internal name `skin-cottongut` · stack size 100 · first craftable in tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md))
HTML page: https://factorio.kalzumeus.com/item/skin-cottongut/

## Produced by (1 recipes)

### Improved cottongut: RecA (`cottongut-growth-enhancement-6`)

- 90 s · tier 7 · productivity modules allowed
- Ingredients: 4 × [Cottongut](https://factorio.kalzumeus.com/item/cottongut.md), 1 × [Growth factor](https://factorio.kalzumeus.com/item/gh.md), 1 × [RecA protein](https://factorio.kalzumeus.com/item/reca.md)
- Results: 4 × [Improved cottongut: RecA](https://factorio.kalzumeus.com/item/skin-cottongut.md)
- Made in: Prandium lab MK 01, Prandium lab MK 02, Prandium lab MK 03, Prandium lab MK 04
- Unlocked by: [Reontogenesis](https://factorio.kalzumeus.com/tech/reca.md)

## Used in (2 recipes)

- Compost 5 × Improved cottongut: RecA (`biomass-skin-cottongut`, tier 1) → [Biomass](https://factorio.kalzumeus.com/item/biomass.md)
- Extract skin from improved cottongut (`ex-ski-cot`, tier 7) → [Skin](https://factorio.kalzumeus.com/item/skin.md)