This is a series of 26 caches. Each cache is the name of a fruit type. 14 of the caches has a number written on the back of the log, these numbers will be needed to locate a 27th cache. This cache is a challenge cache and has 3 requirements. The challenge cache is not a requirement to get the other caches in the Fruit Salad Series.
Grapefruit
The grapefruit is a subtropical citrus tree known for its sour to semi-sweet fruit, an 18th-century hybrid first bred in Barbados. Wikipedia