thats pretty crazy. Do you stick ur fingers in there? i have a 18.8 little sista still waiting on the roor diffuser it was on back order . I have a friend that has a carbon filter and ive smoked countless bowls, after a while resin does build up and the smoke turns yellow equaling to harsher hits and barely taste of nugs. im kinda iffy on the CF adpator theres some pros can cons like most products. just me .2 cents

nice bong though