Wine making and Beer making Hints and Tips

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What to do If your wine stops fermenting

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My home made wine has stopped fermenting, what is wrong with it? Why has my wine stopped bubbling? Why has the yeast stopped working on my wine?

 

My home made wine has stopped fermenting, what is wrong with it? Why has my wine stopped bubbling? Why has the yeast stopped working on my wine?

 

Lots of questions! Here's some answers, an easy step by step guide to getting a stuck wine to start fermenting again!

 

It's usually  stopped fermenting because of four reasons

 

1. It's too cold

2. It's too hot

3.  There's too much sugar in there for the yeast to ferment it all out.

4. It has actually finished fermenting already

 

Taste your wine! If it tastes like wine then it's ready. If it tastes a bit sour then it's done. If it tastes too sweet then keep reading!

 

 

Is Your Wine Is too Cold

Is it too cold for my homebrew wine? Easiest way is to use a thermometer! It really  has to be no lower than 18c , much better at 20 but it's ok up to 23C.

No thermometer? If you can sit in the room wearing just a t shirt then it's warm enough! If you need to put on a nice warm pully then it's too cold!

 

It's the wine temperature that counts not the room!! If the room goes cold at night then the wine won't warm up during the day, a blanket will just keep the cold in !

 

Do I need to add more yeast if my wine is too cold? No!! As the wine warms up it will just start fermenting again as the yeast just goes dormant in the cold.

 

 

 

Is Your Wine Too Hot!

 

Check it with a thermometer

 

If it's too hot it kills the yeast, over 25c and you're chancing it will be too hot.

That's the wine temperature not the room!

 It never gets too hot in UK to ferment wine.

If think your wine got too hot then it probably was, just add a fresh yeast and it will get going again!

If you put a heater belt or pad on the wine and wrap it up in a blanket etc it will probably get too hot! Feel it, if it feel very warm then it's too hot!

Just allow it to cool down and add more yeast.

Get one of those stick on thermometers , stick it on your fermenter and you can see at a glance if the temperature is ok

 

 

 

IF It's Not Too Hot and Not Too Cold But Just Stops Fermenting

 

If this happens recheck it's not too hot or too cold, it's nearly always that!

If you rechecked not too hot or cold , the it probably has too much sugar in it

Kit wines never have too much sugar unless you added extra or too much

How much is too much sugar? If you're making wine from fruit and you added 1.5kg it may be too much!

 

If it has too much sugar then you can't take it out, but you can dilute the wine,

 

For a one gallon demi john of wine that is too sweet

 

Add some water to the wine, usually a  pint per gallon will do it, syphon it off into a clean container and top it up right to the neck with cold water from the tap. Leave it some where warm, a window sill where the sun can shine on it will do the trick!

Then leave it for a couple of weeks and it should start fermenting a again!

If it still doesn't work try adding some fresh yeast...

 

 

 

For a five gallon of wine that is too sweet

Syphon off into a clean fermenter, add at least a pint per gallon of cold tap water per gallon. You may find that you don't actually have five gallons of wine , it may be 41/2, in which case topping it up to the full 5 gallons may just work!

Leave it at least a week.

 

If it still doesn't work try adding some fresh yeast...