Be very careful with diuretics!
Here are two reasons why...
Cramping
http://www.youtube.com/watch?v=8cluyc24vqc
and death
http://www.youtube.com/watch?v=8cluyc24vqc
Clips from the bodybuilding documentary Raising the Bar 2.
http://i347.photobucket.com/albums/p...2DVDinsert.jpg