nSCHMAND WEG is a special cleaner that will remove old dirt from bongs.nnUsage:nMix a teaspoon of detergent with warm (not hot) water at a ratio of 1: 5, pour into a bong and hold for 5-10 minutes. Then rinse well with water. Rub dirty areas with a brush.n150 grams of cleaner in the bowl
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