I took another picture of three different fruit from three trees. I noticed the one on the left which was yellow but less ripe had whitish fruit, but the one the that was the most ripe was pink. Is this typical or is it possible that I have different cultivars planted next to eachother? I guess I can check by picking fruit from the same tree, but I'm out of daylight. I just ate the most ripe grapefruit and it was GOOD!!!
http://www.dauben.us/house/Grapefruit.jpg
Phillip