Since Aquarius women are fluid, they need space to roam. They love intellectual people, and will engage in conversation with like-minded folks for hours. Although, independence is important, they must have a What an Aquarius Want in Relationships They love to be in relationships with independent people.
You'll find that some of these forums are generally positive in tone, and some are generally negative.
That doesn't guarantee that will be your experience, however you are very likely to recognize some common patterns which can be fascinating.
Comparing sun signs can give a good general idea of compatibility.
However, this is just a quick and easy way to compare, and it's going to have lots of exceptions on this broad level.
Beyond a point Pisces compatibility varies due to the individuals other planet positions when they were born.