That basically has already been well researched: https://awasteof.coffee/how-to/mixing-water/ https://awasteof.coffee/how-to/mixing-water/ https://coffeeadast

That basically has already been well researched: https://awasteof.coffee/how-to/mixing-water/ https://awasteof.coffee/how-to/mixing-water/ https://coffeeadastra.com/category/water-for-coffee/ https://coffeeadastra.com/category/water-for-coffee/ https://www.scottrao.com/blog/lotus-water-drops https://www.scottrao.com/blog/lotus-water-drops And is a functional requirement of a bunch Specialty Coffee Association stuff.