Cider include cider. Besides kir and snakebite, an example is Black Velvet in a version of which cider may replace champagne. Cider may also be used to make vinegar. Apple cider vinegar is noted for its high acidity and flavour. Other fruits can be used to make cider-like drinks. The most popular is made from fermented pear juice, known as perry. It is called "poiré" in France and produced mostly in Lower Normandy there. A branded sweet perry known as Babycham, marketed principally as a women's drink and sold in miniature Champagne-style bottles, was once popular but has become unfashionable. Another
Gravity (alcoholic beverage) 80%. Points can also be used in the SG versions of the alcohol formulas. It is simply necessary to multiply by 1000 as points are 1000 times (SG − 1). Software tools are available to brewers to convert between the various units of measurement and to adjust mash ingredients and schedules to meet target values. The resulting data can be exchanged via BeerXML to other brewers to facilitate accurate replication. Gravity (alcoholic beverage) Gravity, in the context of fermenting alcoholic beverages, refers to the specific gravity, or relative density compared to water, of the wort or must at various stages