Originally Posted by tbomachines

Nice, I've had good results with keto diet as well. My motivation is a bit different so I cycled and carbed up (essentially a weightlifting/"bodybuilding" diet), lost about 15 lbs in a month and a half, all of it fat. Unfortunately I got sidelined with an injury so I've gained some of it back. The epic and eternal battle!

In terms of water weight, chances are the OP cut a ton of sodium out of his diet. Sodium is directly related to water retention and is good for at least a few pounds day to day.