I think Apollo did a bath type setup for carbon fiber machining.
Edit:
Found the link Machining Carbon Fiber on the Shapeoko
Not exactly flood cooling, but the bath idea could be good to catch the liquid.
Edit 2: this guy had something on the nomad that I think I’m going to emulate. He also has nozzles for being able to pump water: https://www.youtube.com/watch?v=bM6n-4-tWn0&t=924s