Here is my test room.
The balls and table are Ocean texture, the lamps are wood, the roof is Rock_Basalt, the floor and walls are T_Brick_Clay_Old.
I found the U and V scaling interesting. I decided to see what I could do with water and opened up its nodes… Wow, of course there is a lot going on in there. I played with it a bit, but did not save it for fear of overwriting the original.