1, size: too big red grapefruit, will lack the unique flavor of grapefruit, but also easy to eat the rest. Small just right, both the sweetness of the grapefruit, but also easy to eat a meal.

2, peel: in the selection, you can feel the skin of the red grapefruit is very soft. Peel to pick a very thin kind, so that the grapefruit will be more flavorful.

3, weight: too light, there must not be much water in it. So when you pick them, aim for the heavy ones.

4, ends: the shape of the red grapefruit is very round, but a little attention, you can still see that there is a slightly pointed end. We can look at the top of the pointed part of the selection, there is no rotten feeling. If the tip is clean, then it is possible to pick.