---
title: Sourdough
tags: []
---
# Sourdough

| Temp (°F) | Bulk Proof Time (hrs) | < |
| --------- | --------------:| --------:|
|           |       **Min.** | **Max.** |
| 64        |           10.0 |     12.0 |
| 66        |            9.0 |     11.0 |
| 68        |            8.0 |     10.0 |
| 70        |            7.0 |      9.0 |
| 72        |            6.0 |      8.0 |
| 73        |            5.5 |      7.0 |
| 75        |            4.5 |      5.5 |
| 77        |            4.0 |      5.0 |
| 78        |            3.5 |      4.5 |
| 80        |            3.0 |      4.0 |
| 82        |            2.5 |      3.5 |
| 86        |            2.0 |      3.0 |
| 90        |            1.5 |      2.5 |