Ok, if the TG water is post, then that would account for the deepness and reflectivity (accurate refractive index is difficult to reproduce in post). In Vue you can get different effects of deepness and reflection by adjusting the Refractive Index, which can produce unrealistic levels of reflection and transparency (as far as water is concerned).

Now, this is where I find most people struggle...because a picture shows rocks, fish and scenes with water, it doesn't always mean the water is actually water...depending on the refractive index and transparency amount you give it, it could be closer to diamond...or thin glass, for example....but because you see elements that suggest a lake/pond/expance of water the brain disregardes unatural details such as the natural refractive index/transparency and will always be drawn to the scene as a whole.

 

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