I take hot baths, and the sauna like effect iis similar to when fighters cut weight. I get a lot of extra water out very easy that way.
Hydro therapy is extremely beneficial to muscle tissue. The body cannot experience the effects (pull) from gravity, when submerged under water. This acts as a "relax" period for your inner organs, and tissues.
Make sure to supplement sodium/ potassium to stabilize electrolyte imbalances.