# Improved xyhiphoe: RecA

Pyanodons item · internal name `shell-xyhiphoe` · 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/shell-xyhiphoe/

## Produced by (2 recipes)

### Improved xyhiphoe: RecA (`xyhiphoe-improve-7`)

- 90 s · tier 7 · productivity modules allowed
- Ingredients: 1 × [Xyhiphoe](https://factorio.kalzumeus.com/item/xyhiphoe.md), 1 × [RecA protein](https://factorio.kalzumeus.com/item/reca.md)
- Results: 1 × [Improved xyhiphoe: RecA](https://factorio.kalzumeus.com/item/shell-xyhiphoe.md)
- Made in: Xyhiphoe pool MK 01, Xyhiphoe pool MK 02, Xyhiphoe pool MK 03, Xyhiphoe pool MK 04
- Unlocked by: [Reontogenesis](https://factorio.kalzumeus.com/tech/reca.md)

### Improved xyhiphoe: RecA (`xyhiphoe-improve-8`)

- 30 s · tier 7 · productivity modules allowed
- Ingredients: 1 × [Xyhiphoe](https://factorio.kalzumeus.com/item/xyhiphoe.md), 1 × [RecA protein](https://factorio.kalzumeus.com/item/reca.md), 1 × [Growth factor](https://factorio.kalzumeus.com/item/gh.md)
- Results: 1 × [Improved xyhiphoe: RecA](https://factorio.kalzumeus.com/item/shell-xyhiphoe.md)
- Made in: Xyhiphoe pool MK 01, Xyhiphoe pool MK 02, Xyhiphoe pool MK 03, Xyhiphoe pool MK 04
- Unlocked by: [Reontogenesis](https://factorio.kalzumeus.com/tech/reca.md)

## Used in (2 recipes)

- Compost 1 × Improved xyhiphoe: RecA (`biomass-shell-xyhiphoe`, tier 1) → [Biomass](https://factorio.kalzumeus.com/item/biomass.md)
- Extract shell from improved xyhiphoe (`ex-ski-xyh`, tier 7) → [Shell](https://factorio.kalzumeus.com/item/shell.md)