You will need to move the wine around the actual planet glass to allow it give off its fragrance. By the way, the sweetness - dryness is often confused the actual use of drying sensation of the tannins. A lot of wine bottle cooler models come off as too good actually so you ought to be able to find out which ones are true and which ones sound like pure device. For white wine, 10 to 12 ounces will suffice.