Re: Cleaning Question
The only dish washer safe part of any egyptian hookah is probably the tray and tongs.
The vase is delicate and may crack if the water is too hot or the temperature varies too rapidly, plus the paint will wash off.
If its a copper/brass stem and small enough you could try it, but I wouldnt recommend it with any type of stem as they are not always all copper/brass or stainless steel and you will risk spreading rust.
Hope this helps.