“Works really well and is very simple to use on good reds. One star off as you can’t lay bottles down in a wine fridge afterwards, so it's less useful for whites unless you are prepared to keep half used bottles upright (and very cold) in a normal fridge.”
“I have used this once so far on a red wine that I know from experience does not keep well when opened and first impressions are that the preserver works. Indeed I think the wine improved.”