Brewing wine grape variety need to achieve what condition

Since making wine hair old mold problem:

First: the choice of grapes to try to remove material bad fruit, fruit, the mildew (odium).

The second: clean with clear water after grapes, must "dry" grapes, can't have water.

Third: fermentation temperature is best 26 to 28 degrees between, fermentation need quick start.

Fourth: a 7 to 10 days after fermentation, timely filter sundry (grape skins and seeds, and wine mud, etc.).

Fifth: secondary fermentation after a month, timely filter and will store wine wine mud of the jar of must fill (to prevent oxidation)

Sixth: regularly after 3 to 5 months poured cans of a, clear the wine and liquor store of mud jar filled with.

Seven: the special wine-making grapes wine, best can in the secondary fermentation complete 4 months later to 1 year after drinking.

Eight: a fermentation process, once feel fermentation stop, can add a little sugar in and see if yeast complete decomposition and tried to make the yeast of grape finished, so the high of the wine alcohol some (best can achieve 12 degrees), facilitate future long time storage.