Based on Paris Themmen, who performed Mike Teevee, "The river was crafted from drinking water with meals coloring. At one particular point, they poured some cocoa powder into it to try to thicken it but it surely didn't really do the job. He only discovers it in the final bar https://tre-house-mushroom-bar78604.blogdigy.com/getting-my-polkadot-mushroom-bar-to-work-46706638