Why do blueberries bob up and down in beer?

The blueberries have a somewhat negative buoyancy. In other words, they tend to sink. Because of the carbonation of the beer, small bubbles of carbon dioxide fasten to the blueberries and cause the blueberries to float towards the top. read more

In other words, they tend to sink. Because of the carbonation of the beer, small bubbles of carbon dioxide fasten to the blueberries and cause the blueberries to float towards the top. Once the blueberries break the surface, the bubbles pop and the blueberry is once again heavier than the beer and it begins to sink. read more

It is noteworthy in that there are real blueberries in the beer. However, as one sits with the beer, one sees some blueberries at the top of the glass, and some at the bottom. Moreover, one can observe an occasional blueberry floating up from the bottom to the top, and an occasional blueberry sinking from the top to the bottom. read more

Soil: Blueberries like very acidic soil, with a soil pH in the rage of 4.0 to 4.5. They also like soil rich in organic matter. If your garden has heavy clay soil, blueberries will fare better in raised beds. To get the right soil pH for growing blueberries, it’s best to amend the soil the season before you intend to plant. read more

I don't go light with blueberries in this recipe, because I like how the blueberries are the central focus in a beer like this. I use fresh blueberries right when they are in season, and go for a good price. frozen blueberries dont cut it, and I've never tried a concentrate before. read more