a hit single from talented trio TLC, begins to creep. Tips for how to clean a weed bowl when its silicone 1 If youre having trouble getting everything out of your pipe (which can be particularly difficult if its been crusted on for a while, particularly in the silicone downstem) then we recommend investing in a nicer, store-bought marijuana pipe cleaner, like 420 Bong Cleaner or Orange Chronic Bong Cleaner. One of the most common suggestions for getting smells out of silicone is to soak your silicone item in a 50-50 mixture of white vinegar and water for a while. Shake your bong for 5-15 minutes until you get all the gunk out. Follow up by running the bakeware through the dishwasher. Then, you try to give it a nice deep clean, think it's fine, fill it up, and go on your way. Apply the scent eliminator to the silicone bakeware, leave it in and wash thoroughly. Heheheh, you said 'plug.' Clean the cup with Dial Body Wash or Dove soap to try to get rid of this problem. Hi,great blog post. It consists of a combination of ingredients, including cannabis plant matter, oils, ashes, and when applicable, bong water. Ingredients. Your bong is shiny and clean again. The culprit in question is often referred to as resin, and its that viscous liquid that builds up inside of bongs and pipes after each use.