Fermentis SafAle US-05 Yeast x 11.5g is one of the most popular dry ale yeasts for brewing clean, balanced and hop-forward beer styles. This versatile American ale strain produces a neutral fermentation profile with low diacetyl character and a crisp end palate, allowing the recipe’s malt and hops to remain the main focus.

US-05 is particularly well suited to American-style ales. However, its clean flavour and dependable fermentation performance make it useful across a wide range of homebrew recipes. It forms a firm foam head during fermentation and has a strong ability to remain suspended while active, supporting steady fermentation before the finished beer begins to settle.

Because the yeast contributes limited esters and other strong fermentation flavours, it is an excellent choice for beers featuring citrus, pine, tropical fruit or resinous hops. It also works well with balanced malt-forward recipes where the brewer wants a clean finish without excessive yeast character.

Suitable Beer Styles

Use this versatile strain for:

• American Pale Ale
• West Coast IPA
• Red IPA
• XPA
• Australian Pale Ale
• American Amber Ale
• Blonde Ale
• Cream Ale
• Porter
• Stout
• Fresh wort kits
• Clean experimental ales

The neutral profile makes it especially useful with fresh wort kits from Keg King, Mad Hopper, Fresh3 and other breweries when a clean American-style fermentation is recommended.

Yeast Characteristics

• Yeast type: American ale yeast
• Format: Active dry brewing yeast
• Sachet size: 11.5g
• Flavour profile: Clean, neutral and balanced
• Finish: Crisp
• Diacetyl production: Low
• Foam formation: Firm fermentation head
• Suspension: Very good during active fermentation
• Yeast included per pack: One sachet

Fermentation performance can vary depending on wort gravity, pitching rate, temperature, oxygen level and available nutrients. Always follow the current instructions printed on the sachet.

How to Use SafAle US-05

Fermentis SafAle US-05 Yeast x 11.5g can be used according to the pitching directions supplied by Fermentis.

For direct pitching:

1. Clean and sanitise the fermenter and all equipment that will contact the wort.
2. Transfer the wort into the sanitised fermenter.
3. Bring the wort to the recommended pitching temperature.
4. Sprinkle the yeast evenly across the surface.
5. Seal the fermenter and maintain a stable fermentation temperature.
6. Allow fermentation to continue until the specific gravity remains stable over consecutive days.
7. Bottle or keg only after confirming fermentation is complete.

Brewers may also choose to rehydrate the yeast. Follow the current manufacturer directions carefully when doing so, including the recommended water temperature and sanitation requirements.

Yeast Nutrient Recommendation

Adding a suitable yeast nutrient can support healthy fermentation, particularly when brewing high-gravity beer, nutrient-poor wort or recipes containing a high proportion of simple sugars.

Yeast nutrient may help provide essential minerals and nitrogen compounds that support yeast growth and fermentation performance. Always use the amount recommended on the nutrient packaging.

Pitching and Fermentation Tips

Use fresh yeast and ensure the wort is within the suitable temperature range before pitching. Temperature stability is important because large changes during fermentation may affect yeast performance and beer flavour.

Higher-gravity wort or larger batch volumes may require additional yeast. Under-pitching can lead to slow fermentation, stressed yeast and unwanted flavours. Consider the original gravity, batch size and manufacturer’s recommended pitching rate before brewing.

Aerate the wort where appropriate before adding the yeast. Once active fermentation has begun, avoid introducing unnecessary oxygen.

Storage and Shelf Life

Refer to the best-before date printed on the sachet. Store unopened yeast according to the manufacturer’s directions and protect it from excessive heat.

Once opened, reseal the sachet and store it at approximately 4°C. Use the remaining yeast within seven days. Do not use a sachet that appears soft, damaged, swollen or improperly sealed.

Shipping Recommendation

Dry brewing yeast can be affected by prolonged exposure to high temperatures. During warm weather, selecting Australia Post Express may reduce the amount of time the yeast spends in transit.

Promptly place the yeast into suitable storage after delivery. Express shipping cannot guarantee temperature control, but faster delivery may reduce exposure during hotter periods.

Fermentis SafAle US-05 Yeast x 11.5g is an excellent everyday strain for brewers who want dependable performance and a clean flavour profile. It is particularly useful for hop-forward ales, fresh wort kits and recipes where the malt and hops should remain clear and expressive.