-Before starting , please prepare : isopropyl alcohol , paper towels,swabs-Firstly,remove all parts and grab paper towels with some alcohol then wipe off each individual piece.-Chamber : clean residue with brush and wipe with swabs(which is dipped in alcohol )-Mouthpiece /Coils :Soak it in alcohol for about 20 minutes then remove it alcohol and allow it to dry .-Ceramic /Quartz atomizer : Turn on the highest temperature to dry the coil(High temperature will volatilize impurities) ,then wipe with swabs(which is dipped in alcohol )