Sodium Metabisulphite 500g

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Sodium Metabisulphite 500g

Sodium metabisulfite is a white crystalline powder with a pungent sulfur odour. Its main uses are as an antioxidant or chemical sterilant.

Uses in Wine: Sodium metabisulfite is a common wine or must additive, where it forms sulfur dioxide gas (SO2). This both prevents most wild microorganisms from growing, and it acts as a potent antioxidant, protecting both the color, and delicate flavors of wine. Without it most wines would taste like a rather poor sherry, vinegar, or have some other equally disgusting flavor.

View Safety Data Sheet here.

Sodium Metabisulphite - 500g

Sodium Metabisulfite is a granulated powder that releases sulfur dioxide when dissolved in a liquid. It is added in small doses directly to fresh juices 24 hours before adding yeast. This is to destroy any wild molds and bacteria that may have been on the fruit. Sodium Metabisulfite is also used in stronger doses with water as an equipment sanitizer. You can use it to sanitize fermenting vessels, hydrometers, bottles, hoses or any other glass, metal, plastic or wood that comes into contact with your beer or wine.

Each 1/16 teaspoon of Sodium Metabisulfite and will impart approximately 55 parts-per-million (p.p.m.) of sulfur dioxide (SO2) to each gallon of liquor. Each gram will impart 175 p.p.m. to each gallon of liquid.

If you are putting a dose of sodium metibisulphite into your 19L kegs of beer then we would recommend using 0.3grams into the beer and this will greatly improve the shelf life of the beer especially for light coloured beers.

Sodium Metabisulphite is a strong sterilising powder that once dissolved in cold water (where it forms sulfur dioxide gas) will inhibit the growth of mold and bacteria on all surfaces it comes into contact with. Used to sterilise brewing and winemaking equipment and beer and wine bottles. This product sterilises (sanitises) but does not clean. Equipment should be clean prior to using this product. The dosage rate is 1 tablespoon per 5 liters of water. Allow the solution to touch all surfaces. This dilution rate is for sterilising of equipment only.

Recipe Suggestions

Looking for inspiration? Click on the links below to take a look at our All Grain recipe kits, Kit & Kilo recipe kits and Fresh Wort Kits.

Explore our hops options

Research has shown that in order to extract the most flavour from hops, and to minimise contact with oxygen, pressure fermenters are the recommended fermenters for any style. If you want to produce the best beer possible, please take a look at our Australian Made PET Fermenters.

FAQ: Additives and Minerals in Homebrewing

Below you will find the questions we get asked the most regarding our additives and minerals.
Please click on one of the questions below to see the answer.

What are additives and minerals in homebrewing?

Additives and minerals are compounds used to adjust water chemistry and enhance specific characteristics of beer during the brewing process. Common examples include calcium variants, magnesium variants, and other salts.

How do calcium and magnesium variants affect brewing?

Calcium supports enzyme activity during mashing and helps with yeast flocculation. Magnesium influences yeast metabolism and contributes to malt and hop utilization, affecting flavor and aroma.

What are the benefits of using additives and minerals?

Using additives and minerals allows brewers to tailor their water profiles to match desired beer styles. Proper adjustments improve enzymatic activity, pH levels, and overall beer quality.

What are the most common additives and minerals used in homebrewing?

The most common include:

How do I determine the right amount of additives and minerals to use?

Use water calculators based on the beer style and desired water profile. These calculators help you adjust the mineral content to achieve optimal results.

Can I mix different additives and minerals together?

Yes, you can blend additives and minerals to create specific water profiles. However, precise measurements are crucial to avoid over-adjustment that could impact flavor.

When should I add additives and minerals during the brewing process?

Most adjustments are made during the mashing process. Add them before mashing in or during the mash to ensure proper interaction with the enzymes.

What is the best way to store additives and minerals?

Store additives and minerals in a cool, dry place away from sunlight to prevent clumping or moisture absorption. Airtight containers, such as resealable bags or jars with lids, help maintain their effectiveness.

Can I use tap water for brewing, or should I use distilled water?

Both options are viable. Tap water may require adjustments depending on its mineral content, while using distilled water allows you to build the desired water profile from scratch.

Are additives and minerals necessary for all homebrewers?

While they're not essential for beginners, they can significantly enhance beer quality and flavor. As your brewing skills advance, experimenting with additives and minerals can help you create more nuanced and precise brews.

Remember that proper water chemistry is a crucial aspect of homebrewing. By understanding the effects of different additives and minerals and using them judiciously, you can fine-tune your brewing process to achieve exceptional results.


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