What could I use for a bowl / cone piece?

Question

I have justmade a bottle bong and I cannot find my cone piece anywhere. Does anyone know of a simple household item that I could use for a cone piece or how to make one.

I don't want anything fancy just for it to do the job.

And I DON'T want to use foil.

Answer 1

use an aluminium can always works for me

Answer 2

um i dunno if u have it @ home but the bubbler tops from schools work if u s***w them off

why dont u wanna use foil?

Answer 3

I agree with Brissychick90.

Answer 4

Hollowed out tip of a carrot.