Stability of Chemex Filter When I am brewing with my Chemex, most always the filter begins to drag down along the inside, and I always have to use my fingers to pull it back and re-balance the filter. I have tried regular Grocery Store filters (don't remember the brand name), and now I am using Chemex brand filters. Am I doing something wrong?
I have also tried mimicking techniques I see online, they bring up the issue of the filter insulating the Chemex and not allowing open flow; however I have never seen anyone address the issue I face. I would also be willing to change to a Chemex-adjacent piece if it would mean avoiding this issue.
I wonder if you are using the correct filter for your particular Chemex.  On their website that there are basically three styles; halfmoon, circle and square.
https://www.chemexcoffeemaker.com/filters.html
One of these looks to be very narrow and if used in the classic style brewer may cause what you are experiencing.