To make sterile water, bring 1 litre of water to boil for 15 minutes and then set it aside to cool to room temperature. You don’t need to be an advanced brewer to wash and reuse yeast. Those are some serious savings! And the best part? It’s very easy to do. Instead of buying a new yeast every time you brew a new batch of beer, you wash the yeast that’s left in your fermenter and reuse it up to 10 times. Yeast Washing/Harvesting 101 What is yeast washing/harvesting? Then I started washing my yeast and my life changed forever (ok, perhaps a bit dramatic, but it was a pretty big deal!). When I switched to one-gallon brewing, I lost this efficiency. When I was brewing larger batches, homebrewing was a huge cost saver, even when I splurged on expensive ingredients. By comparison, when I was a 5-gallon brewer, my costs were typically one third.
I’ve brewed many batches of beer that cost me more than a six-pack of my local craft beer.
When you consider that we’re only getting 6-8 bottles of beer per batch, it’s expensive. Plus, it drives up your costs significantly.ĭry yeast is usually $3-$8 per packet. It can seem like such a waste to throw out all that extra yeast. One of the drawbacks with brewing smaller batches of beer is that liquid yeasts are sold in quantities fit for five-gallon brewing, not one-gallon brewing. Here’s the kicker though: most of these new strains are available in liquid form. With more homebrewers exploring the wonders of wild yeasts, the possibilities seem endless. We have access to an abundance of yeast strains, and the options continue to grow every year. Now we live in a golden age of home brewing. You can make amazing beers with dry yeast.
In fact, if after reading this tutorial you have no interest in ever re-harvesting yeast, and you don’t care to splurge on more expensive liquid yeast, I’m going to recommend that you stick with dry yeast. It’s reliable, easy to store, easy to use, has a long shelf live, and works perfectly fine to help you brew an amazing beer. There’s absolutely nothing wrong with dry yeast. Washing yeast lets you explore more (liquid) yeast styles But first, let’s talk about why we’d want reuse that kind-of-gross-looking sludge at the bottom of our fermented wort. I’ll walk you through how you can level-up your brewing skills with this technique. There’s such a thing as “yeast washing.” It goes by many names, including “yeast harvesting,” “yeast re-harvesting,” and “yeast rinsing.” Regardless of what you want to call it, one-gallon brewers can use this technique to brew with a wider variety of yeast strains, while saving money on liquid yeasts.
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