Picture of Homemade Grape Juice!
This Instructable will show you how to make grape juice.
Grape Juice is a bit more simpler to make than wine. Making grape juice is also alot cheaper than buying it. 
I would highly recommend you give it a try!

You may need to put your grape juice in the frige or freezer to stop it fermenting.
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Step 1: What you will need

Things you will need

A Colander for rinsing the grapes 
A Large pan to cook 8 pounds of grapes (this will be used to mash and boil the grapes aswell)
A fine sieve to Strain the mashed grapes
Another large pan to collect the grape juice

Step 2: Pick the grapes

Picture of Pick the grapes
If you don't have grapes, you may need to buy a grape vine or buy Grapes from the store, But that wouldn't be homemade, would it?

Picking grapes:

All you need to do is pinch them at there stem and then put them in a bowl!

You will need a few bowls to carry the grapes back in.

Step 3: Wash and de-stem the grapes

Picture of Wash and de-stem the grapes
Put the grapes in the sink or basin you have prepared. Next rinse the grapes to get insects and dirt off of them. Then pick the grapes of the stem and put the stems a side, And your done!

Note: Discard Un-ripe grapes.

Step 4: Mash the grapes

Picture of Mash the grapes
Using a potato masher, mash 4lb (pounds) of grapes until the juice has all been squeezed out of them.
You should mash the grapes for about 10 minutes to ensure you have got all the juice out.

Note: your grape juice at the moment may look dull and grey. DON'T WORRY, when cooking the colour and taste will change.

Step 5: Cook the grapes

Picture of Cook the grapes
Put you mashed grapes onto the stove, (in the pan you mashed them in).
Once you have brought the grape juice to the boil allow it to simmer for ten minutes.

Note: Stir occasionally , to stop grapes sticking to the bottom of the pan.

Housedog11 months ago

I've never done this, so I am wondering why you cook it?

What's the advantage over just squeezing and drinking?

Looks yummy, however!

lemonie5 years ago
Ferment this stuff?

oscarthompson (author)  lemonie5 years ago
You don't need to add yeast to ferment grape juice, Its non acholic
I know, but had you thought about it? If you keep it long enough it may start to ferment anyway.

oscarthompson (author)  lemonie5 years ago
Ah, yes it will do, thats why i keep half of it in the frezer and half in the frige
Good idea.

oscarthompson (author)  lemonie5 years ago

,Ive' already drunk the grape juice in the frige
PKM lemonie5 years ago
A decent set of Instructions on the topic can be found on <a href="">this home wine making forum</a>, aimed at beginners. Since my landlord gave up on his 4 gallons of plum wine to concentrate on his Pilsner brew I'm considering trying my hand with regular grape wine.<br />
lemonie PKM5 years ago
I'll try to remember that for next time.

Kozz lemonie5 years ago

Good question.  And if one plans to ferment, I wonder what's the spec. gravity of unadulterated grape juice?  Or what type of sugar should be added, if necessary?
lemonie Kozz5 years ago
Good grape juice doesn't need sugar, and I believe it to be some kind of wine-crime to add any. However, if you're looking at SG w/ref to alcohol content I could advise (out of the Boots Book of Home Wine Making and Brewing 1970) Regular sucrose works OK.

Any sugar added would only facilitate the fermentation process acting as food for the yeast and shouldn't add to the sweetness of the wine. If your grapes are garbage once fermented it will be alcoholic garbage.

I agree that it's a faux pas to add sugar to grapes to induce fermentation, which is why only certain varieties of grapes (and other fruit) are used to make wine.

Also, pretty sure you wouldn't cook the grapes or the juice for fermentation. However you will need to know the SG before beginning anything, and adjust pH .