I have a 30g flextank and love it. I found some used 31 gallon Spiedel's for cheap. Can I age wine in these for a year? I can't find any manufacturer info on them.
I thought I would follow-up and give a half time report. After pressing this year's ton of Grenache, it settled for 24 hours, then racked it into the Speidels. After mlf was completed, they were racked again and topped.
They did great through mlf. They accept an airlock, they'll were ideal for the task. I love how easy they are to clean. Easy to remove top and wide enough opening to take care of business.
I don't like the seal of the opening, as it is not as tight as a flex tank or barrel. I notice the wine will push past the seal when topped off and I'm assuming it is from the expansion of the liquid with temperature change. Maybe a few tablespoons, but it shows the seal was compromised.
Yea I have personal experience with the 30 gallon flex and 31 gallon spiedel. For your application, no question flex is the way to go. Better seal, thicker wall. I don't like floating skins, very risky, keep it full.
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