5kg of hops = 50 x 100g, how many types of hop are you planning on buying? I wouldn't like to smell your house after ripping apart 20-30kg of hops, weighing and vacuum packing them <!-- s:shock: --><img src="{SMILIES_PATH}/icon_eek.gif" alt=":shock:" title="Shocked" /><!-- s:shock: --> But more power to you if you have that much time on your hands <!-- s:D --><img src="{SMILIES_PATH}/icon_biggrin.gif" alt="

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I like the yeast idea but i'd like to look further into the pros and cons of storing that much yeast when it's not in a protective environment. The last thing i'd want to do is lose 60-70L of beer and have to throw away 400g of yeast trying to save a few pennies on yeast.