I've made some (3 gallons) parsnip and ginger wine my notes are pretty rubbish but it had about 1100g cane sugar to every 4.5l plus presumably a little sugar from the parsnips, lemons etc. Its now dry (0.995) a bit cloudy but has this really funny taste quite chemical having read about a bit I wonder if its acetaldehyde. Apparently it should taste like sherry well it doesn't taste very much like sherry but its certainly that kind of flavour. Is there anything I can do to fix it?