Re: 發酵日記 fermentation diaries
many has tried to make it waterproof before, but seems like no natural and DIY solutions yet: https://publiclab.org/questions/lait422/04-23-2018/how-can-i-waterproof-kombucha-leather
https://biofabforum.org/t/experiments-kombucha/480
only this works but its not natural
https://www.youtube.com/watch?v=5x2aU3FR4cs
Laser-treated hydrophobic paper: an inexpensive microfluidic platform
https://sci-hub.st/https://pubs.rsc.org/en/content/articlelanding/2011/lc/c0lc00512f#!divAbstract
Anastassia Pistofidou on bio materials
https://www.youtube.com/watch?v=VPUX7nRlYAU