Potassium Metabisulfite
Potassium Metabisulfite
Regular price
£1.79 GBP
Regular price
Sale price
£1.79 GBP
Unit price
per
Taxes included.
A food preservative used in alcohol production that acts as an antioxidant and colour preserver. Works as a stabiliser when added alongside potassium sorbate.
What For
Add once fermentation has concluded. Allow to sit for 24 hours before adding any sugars.
Suggested Dosing
A basic dosing of 0.7g per 5 litres should be sufficient. However, if you have the tools to take pH readings, use the below table.
| pH | Target Free SO2 (ppm) | Grams per 5 Litres |
| 2.9 | 7-11 | 0.07-0.09 |
| 3.0 | 8-13 | 0.07-0.12 |
| 3.1 | 10-16 | 0.09-0.15 |
| 3.2 | 13-21 | 0.12-0.19 |
| 3.3 | 16-26 | 0.15-0.23 |
| 3.4 | 20-32 | 0.17-0.28 |
| 3.5 | 25-39 | 0.23-0.34 |
| 3.6 | 31-49 | 0.28-0.44 |
| 3.7 | 39-63 | 0.34-0.55 |
| 3.8 | 49-79 | 0.44-0.69 |
| 3.9 | 62-98 | 0.54-0.86 |
| 4.0 | 78-123 | 0.69-1.08 |
Storage
Dated expiration. Store at 18°C (65°F). Once opened, keep tightly sealed and dry.
0
Total items
£0.00
Taxes included. Discounts and shipping calculated at checkout.
Product subtotal