Ask Mr. Wizard Silicone hosing lifespan Q How many times can you reasonably use flexible silicone hose, the kind most homebrewers use for siphoning? I tend to start with a new hose, use it to rack cooled wort or green beer five to ten times, then convert the hose to fermentation blow-off tubes. After one use as a blow-off tube, the sucker is pretty well stained and I throw it away. Am I overusing my hoses? If not, how can I squeeze more use from them? Would high temperatures (from hot wort) running through the hose impart any off-flavors? Also, what effects does alcohol have on stainless steel? I always wipe down my equipment before and after I brew to ensure sterility. I was wondering if this practice is potentially harmful to my equipment. Thanks for the help. A The hoses used in homebrewing are similar to the hoses used in beverage and food-processing plants, except the industrial-grade hoses are reinforced to increase their pressure rating and usually covered by a durable protective outer covering to increase ruggedness in a plant environment. At first glance, a commercial-quality brewery hose looks like a completely different beast than the typical homebrew hose. But if you strip all the covering off of many commercial hoses, you will find an inside liner that is made of silicone just like your homebrew hose. Read more |
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