# Improved trits: recombinant erythropoietin

Pyanodons item · internal name `blood-trits` · 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/blood-trits/

## Produced by (2 recipes)

### Improved trits: recombinant erythropoietin (`trits-improved-10`)

- 50 s · tier 7 · productivity modules allowed
- Ingredients: 1 × [Trits](https://factorio.kalzumeus.com/item/trits.md), 1 × [Recombinant erythropoietin](https://factorio.kalzumeus.com/item/recombinant-ery.md), 1 × [Growth factor](https://factorio.kalzumeus.com/item/gh.md)
- Results: 1 × [Improved trits: recombinant erythropoietin](https://factorio.kalzumeus.com/item/blood-trits.md)
- Made in: Pressurized reef MK 01, Pressurized reef MK 02, Pressurized reef MK 03, Pressurized reef MK 04
- Unlocked by: [Erythropoietin stimulating agents](https://factorio.kalzumeus.com/tech/recombinant-ery.md)

### Improved trits: recombinant erythropoietin (`trits-improved-9`)

- 160 s · tier 7 · productivity modules allowed
- Ingredients: 1 × [Trits](https://factorio.kalzumeus.com/item/trits.md), 1 × [Recombinant erythropoietin](https://factorio.kalzumeus.com/item/recombinant-ery.md)
- Results: 1 × [Improved trits: recombinant erythropoietin](https://factorio.kalzumeus.com/item/blood-trits.md)
- Made in: Pressurized reef MK 01, Pressurized reef MK 02, Pressurized reef MK 03, Pressurized reef MK 04
- Unlocked by: [Erythropoietin stimulating agents](https://factorio.kalzumeus.com/tech/recombinant-ery.md)

## Used in (2 recipes)

- Compost 1 × Improved trits: recombinant erythropoietin (`biomass-blood-trits`, tier 1) → [Biomass](https://factorio.kalzumeus.com/item/biomass.md)
- Extract arthropod blood from improved trits (`ex-blo-trit`, tier 7) → [Blood](https://factorio.kalzumeus.com/fluid/blood.md)