That’s super neat. Is it a mess to water?

Yes, for now I spray it two times a day. The moss ball dries up so quickly, of course even more so as it sits freely in the air. So not practical at all, but very nice to look at

What if you a sprayed layer of something onto the mossball to slow water exchange? Not sure what, something like starch or collagen occurred to me but that probably only works if they can dry.