• Brewco Sodium Metabisulphite 500g – main product photo
  • Brewco Sodium Metabisulphite 500g key facts: 500g pack, sterilise: 1 tsp per pint (568ml), leave 10 minutes, then rinse
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Brewco Sodium Metabisulphite 500g

Brewco Sodium Metabisulphite 500g

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This is a 500g pack of sodium metabisulphite, a chemical additive that home brewers commonly use. It is for sanitising brewing equipment and for helping to preserve the finished drink.

  • Sodium metabisulphite, chemical formula Na2S2O5
  • 500g pack size
  • A common home brewing additive for sanitising equipment
  • Also used to preserve the final product
  • A widely used chemical in food, pharmaceuticals and water treatment

What is sodium metabisulphite used for in home brewing?

It has two main jobs in home brewing. You can use it to sanitise your equipment, and you can use it to help preserve your finished brew.

Is sodium metabisulphite only used for brewing?

No. It is a widely used chemical in several industries, including food, pharmaceuticals and water treatment. Home brewing is just one of the places where it is useful.

Sodium Metabisulphite
How to Use
Dose
1 tsp per pint
sterilising solution
In wine
1/16 tsp per gallon
or 1 Campden tablet
Contact
10 minutes
then rinse

Used for: Makes a sulphite sterilising solution for equipment and bottles, and protects wine and cider from oxidation and spoilage.

When: Fresh, just before use on clean equipment; or in the must/wine before fermentation and at bottling.

Step by step
1Sterilising: dissolve 1 teaspoon per pint (568ml) of cold water.
2Coat every surface, leave 10 minutes, then rinse with cold tap water.
3In must or wine: just 1/16 teaspoon per gallon (4.5 litres), dissolved and stirred in - or use Campden tablets for easier dosing.
Good to know: Avoid breathing the fumes (sulphur dioxide) - use somewhere well ventilated; asthmatics take extra care. Contains sulphites. Harmful if swallowed; may irritate skin and eyes. Don't mix with chlorine cleaners or acids.
Frequently Asked Questions
What is sodium metabisulphite used for?

Making a sterilising solution for equipment and bottles, and protecting wine and cider from oxidation and spoilage. It's the powder form of Campden tablets.

How much for sterilising?

1 teaspoon per pint (568ml) of cold water. Coat every surface, leave 10 minutes, then rinse with cold tap water. See our guide to sanitising home brewing equipment.

Can I add it to wine?

Yes, but only a tiny amount - 1/16 teaspoon per gallon. Campden tablets make this much easier to dose.

Is it safe?

Use it somewhere well ventilated and avoid breathing the fumes (sulphur dioxide) - asthmatics take extra care. It contains sulphites.