Grosset on ageing speeds under different closures
Jeffrey Grosset, Clare Valley: Just read your comments about 'much, much slower' ageing and reduction in That Australia Closure Fund paper . [I originally posited in my introduction to the paper that wines aged under screwcap might age 'much, much more slowly' than under cork, but I've seen sense and deleted the 'much, much'.] Firstly, I assume you are comparing screwcap or crownseals with cork? You will see from my graph and Allen's work that (I'm sure you are well aware of anyway) it depends which cork you are referring to if you want to compare permeability; the range is 1000x plus!! Secondly, the screwcaps used in the...
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