Share 'Prefered substrate'

Hello everyone!I'm really curious about the substrates you use and why you do. Unfortunately I'm not able to set up a poll, but so far I'm aware of the following: .: Agar (non-nutrient) .: Filter paper .: Kitchen towels .: Soil, Bark, Twigs (Vivarium?) I started with agar, but I find myself shifting more and more to filter paper.Filter paper just gives me the impression of being easier to maint…