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  • How often you need to test alcoholic strength

    Once you establish the strength of a recipe, you should record that strength and use it as a standard for that recipe when calculating excise duty.

    However, you should re-test the strength of all recipes at least once a year.

    You can use a hydrometer and formula to calculate the alcoholic strength of the beer if you:

    • produce less than 100,000 litres of beer in a financial year
    • have a documented testing process that shows your formula produces accurate results.

    Measuring equipment must:

    • be calibrated once a year against a standard certified instrument
    • produce results with a strength tolerance of + or – 0.2%.
      Last modified: 07 Feb 2017QC 22202