What is this I’ve never come across her I only use my bong for bad and I clean it every two days with isopropyl alcohol
Just looks like resin/build up. Just clean it up, or does it not clean or something?. People seem to like ice and cold water here. I don't think that helps, it's more irritating to your throat and lungs that way. It causes build up too.
Use Warm or hot(NOT BOILING) water for your bong and don't breath in too hard. Warm or hot water is soothing. What happens with cold water is the heat from the hot smoke hits the cold and it causes condensation which causes more build up. Especially if you don't clear the chamber right away and let it sit in there.