here’s one thing I just thought of that you can try on the stylus side. Attach the passive stylus to a container with water.
Under this I imagined big bottle of water on top of stylus and lots of water everywhere haha Could you please share some photos for inspiration how you attatched bottle to stylus?
Not sure about mineral content, if I will be completly desperate I will try it hah
Thanks for you reply
(visualisation and all my work with data is done with MATLAB)