I think the expression is - !
Thanks for so many answers, esp as they all seem to agree. I like the idea of using a cut glass crystal bud vase - dead posh, but probably woudn't get it past the missus.....
I'd never thought about drinking a fermenting brew - but I'm certainly up for it!
I'll have to see if I've got something I can press into service. I'm aiming for brewday #2 on Sunday