Hops, packing for reduced volume storage

Discuss malts, hops, and yeast, not related to a specific recipe

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Bilsch
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Hops, packing for reduced volume storage

Postby Bilsch » Mon Sep 19, 2016 5:08 pm

Many brewers buy hops in bulk and vacuum repack in smaller lots for storage. Maybe others have had this issue, but I've always had trouble with how the repacks un-uniformly compress when evacuated making it difficult to fit in the freezer.
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One solution is to place the bag between two boards and squeezing when vacuuming. You can feel the pump pulling and you just follow along adding more pressure as you go. The most force applied right near the end.
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Bilsch
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Re: Hops, packing for reduced volume storage

Postby Bilsch » Mon Sep 19, 2016 5:12 pm

This 62 grams pressed out.
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I believe this method also reduces the entrained air.
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Bilsch
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Re: Hops, packing for reduced volume storage

Postby Bilsch » Mon Sep 19, 2016 5:13 pm

This is 2 pounds of hops ready for the freezer.
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330ml bottle for size reference.
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Ancient Abbey
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Re: Hops, packing for reduced volume storage

Postby Ancient Abbey » Tue Sep 20, 2016 9:17 am

Those look great. :tu
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Weizenberg
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Re: Hops, packing for reduced volume storage

Postby Weizenberg » Tue Sep 20, 2016 9:38 am

Great idea ;)

How long should they last in those bags?
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Bilsch
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Re: Hops, packing for reduced volume storage

Postby Bilsch » Tue Sep 20, 2016 11:29 am

Can't say for sure as I'm uncertain of the barrier properties of the plastic used. Normally the bags get purged with N2 before sealing if I'm planning on storing for a while in the chest freezer. Nothing usually stays in there more then 2 years before being used but they seem to last at least that long.

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