Creatine will make your muscles retain more water for a short period of time. It's part of the ATP delivery process. Completely different from high salt diet water retention.
It also makes you gassy.

Cauliflower makes you gassy. But it is also a great source of low glucose and low carbohydrate fiber.

These two are unrelated. I was making a joke. But it is good advice if you don't mind the smell.