I just wanted to bring this back up for new people who may not know. Just because the front of the can says it's packed in water, doesn't necessarily mean that it's really packed in water. After not buying canned tuna for a couple of years, I found this out the hard way when I went to the grocery store. Luckily I found one that was more expensive that just had tuna and water on the label.
That always gets me. Why are things that have less ingredients more expensive??