So if you have the patience for the initial setup, It's a very simple and pleasant environment (Adding your own lights, choosing a good skybox, UnityAssetVamifiers... I had to use Jackaroo's water rig since the water asset that comes with this scene is still being figured out). The water is a minor issue for the time being.
The only real problem with the asset is for some reason when ANY physics-enabled atom touches -specifically- the bottom surface of the actual pool, that atom gets stuck on that surface until you temporarily disable collision (every other surface seems fine to my awareness). I'm not sure I understand why it's happening, but hopefully it can be fixed. For now though, as long as you keep a person atom's extremities etc off the pool's bottom surface, you're gonna love the environment.