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  • Handcraft Supplies - Tartaric Acid 50g key facts: contains 50 g of tartaric acid, start with 1-2g per gallon, raises acidity in wine and cider
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Handcraft Supplies - Tartaric Acid 50g

Handcraft Supplies - Tartaric Acid 50g

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Tartaric acid is a winemaking additive used to increase the acidity of juice, wine or cider. This pack contains 50 g in a tamper proof, resealable tub, so you can add it as and when your brew needs it to reach your target acidity.

  • Contains 50 g of tartaric acid
  • Increases acidity in wines and ciders
  • Can be added to juice, wine or cider as required
  • Helps you reach your target acidity
  • Tamper proof, resealable tub
  • Instructions are given on the label

What is tartaric acid used for in home brewing?

It is used to raise the acidity of wines and ciders. Adjusting acidity is a common step in home winemaking and cider making, and this gives you a way to increase it when your juice or brew needs a little more.

How do I use tartaric acid?

It can be added to juice, wine or cider as required to reach your target acidity. Follow the instructions on the label, and use the resealable tub to close it up again afterwards.

Tartaric Acid
How to Use
Dose
Start 1-2g per gallon
test and add in steps
Effect
4.5g/gallon = +1g/L acid
and about -0.1 pH
When
Before fermentation

Used for: Raising acidity and lowering pH in grape wines, fruit wines and cider that taste flat. It's the grape's own acid.

When: Best in the must before fermentation. Small top-ups can go in after fermentation, before stabilising and bottling.

Step by step
1Test the acidity (or taste the must) first.
2Weigh the tartaric acid - start with 1-2g per gallon if you have no test kit.
3Dissolve in a little warm water or must.
4Stir through the whole batch.
5Re-test or taste the next day before adding more.
Good to know: Add a little at a time - it's easy to add acid and hard to take it out. In the cold some can drop out as harmless crystals (tartrates).
Frequently Asked Questions
How much tartaric acid per gallon?

About 4.5g per gallon raises acidity by roughly 1g per litre (0.1%). Most musts need only 1-5g per gallon, so add in small steps and test or taste.

Tartaric or citric - which should I use?

Tartaric for grape wines, as it's the grape's own acid. Citric suits many fruit and country wines.

Will it lower the pH?

Yes - about 1g per litre lowers pH by roughly 0.1, depending on the must.

What are the crystals in my bottles?

Harmless tartrate crystals - some tartaric acid can drop out when the wine gets cold.