Freezer (or anyone else),

I was thinking of trying some light exercise in the pool as an alternative to walking - maybe just walking in the pool, doing a couple of easygoing lengths of breast stroke, etc. Have you found even light pool activities to be as intense as walking? I'm really just looking for low-impact (ideally no impact) ways to move my body and get a bit of blood circulation going. While I have been mostly symptom-free at rest over the last week, I find that even short walks can still cause or contribute to symptoms, or at least the "fringe" of my earlier symptoms, coming back (mild intermittent headache, sleep disturbance, a bit of wooziness or feeling "off").

Any thoughts? The only alternatives I can think of are (1) to continue going for daily short + slow walks in the hope that the benefits of some light exercise outweigh the annoying but usually mild symptoms that result, and (2) to avoid walking or swimming altogether for 2-3 weeks, in the hope that having some sustained time with minimal or no symptoms will make light exercise easier down the road (I now seem to be OK with light household activities).