non-chlorinated pool in Paris ?

I go to Paris a couple of times a year. In the beginning of 2010 I will be there for 2-3 weeks and I'll have some time on my hands. Where do you swim? I personally don't care about the chlorinated water. Thanks in advance.

I go to Paris a couple of times a year. In the beginning of 2010 I will be there for 2-3 weeks and I'll have some time on my hands. Where do you swim? I personally don't care about the chlorinated water. Thanks in advance.