Put a glow stick in your hookah bowl, turn off the lights and enjoy. By putting the partially used stick in the freezer, it will “stop” the glow until youwant it again, besides, it will cool better than ice!
here are places to buy
Four Pack 4" Green Light Glow Sticks by Ready Hour
http://www.stevespanglerscience.com/content/experiment/light-sticks-the-science-of-liquid-light
http://www.technomoves.com/glowsticks_6-inch.html
http://www.glow-necklaces-light-sticks-raves.com/index.asp?PageAction=MFGSEARCH&ManfID=-1
http://www.glow-stick.net/mini-glow-stick.html
http://www.glow-necklaces-light-sticks-raves.com/index.asp?PageAction=VIEWCATS&Category=213
http://www.glow-necklaces-light-sticks-raves.com/index.asp?PageAction=VIEWCATS&Category=212
http://www.glow-necklaces-light-sticks-raves.com/index.asp?
PageAction=VIEWCATS&Category=206
http://www.technomoves.com/glowsticks_mini.html
ice cubes plain to coo your smoke
put milk,tea,fruit juice, vodka,tequilla,wine,beer,ouzo etc. in bowl for thick smoke and nice taste