You might want to consult a professional before doing this if it's an antique; a lot of people erroneously think that cleaning something will make it "worth more" when in fact it often has the exact opposite effect.
Assuming you want to proceed, you might try ethanol... a small amount of the highest proof grain neutral spirits you can buy. Let it sit, and gently swish it around (or, heck, get a bottle brush and scrub if you want, I don't care).
You should try the Harmon WCL100 Motion Wine Cooler & Decanter
A weakened soloution of bleach would work or try belach for the unbleachables, it certainly wont harm it.... i think they use to call it Oxi-Clean. I have also tried plane uncooked rice add a good amount, then add water and shake well, let sit then shake again.
Instead of pouring the wine down the side of the decanter the wine is allowed to splash in the bottom this allows additional air to be mixed.
Instead of pouring the wine down the side of the decanter the wine is allowed to splash in the bottom this allows additional air to be mixed.
Rum doesn't have a special decanter, but a wine decanter will do in a pinch.
It is perfectl safe to serve sparkilng wine in a glass decanter.
wine decanter
It can be served from a decanter if there is no deposit in the bottle.
The punt is the indentation in the bottom of the bottle. When a wine has sediment in it you slowly pour the wine into a decanter and then throw out the last couple of ounces that have the sediment in them. The punt reduces the amount of wine as it displaces volume at the bottom of the bottle.
You can buy a nice wine decanter at any online stores like amazon, they might have lots of wine decanters for you to look at and see what your opinion and choice is.
decanter
A decanter is used to aerate and separate sediment from wine before serving, enhancing its flavors and aroma. It also allows for better presentation at the table.