It isn't a bad idea to simply leave it overnight just to be absolutely sure it's done the job. Shake for 5 minutes or until you get all the residue out. A really dirty bong should be cleaned with a commercial product designed specifically for glass thats used with cannabis. As an affiliate and an Amazon Associate I earn from qualifying purchases. A solution of white vinegar and water should get the smell out of silicone and clean your bakeware, too. He has an over-productive olfactory system with absolutely zero tolerance for unpleasant aromas. You can also clean the joint using the same brush. It is entirely possible that you might make yourself actually sick by drinking bong water. The Right Way to Clean Every Part of Your Oven, From the Racks to the Door Glass. 2. Youll want something like Grunge Off or Kush Clean. //