Which kitchen equipment can be used as a geyser?

Answer 1

When the air vent on a dishwasher fails (old style that used to be mounted up on the sink) when they clog - look out!

Rubber band on the vegetable sprayer can geyser. Also re-arranging the elements of the spigot aerator can have some interesting horizontal geyeser-like effects.

Pop some Mentos down the drain and pour in some Diet Coke.

Answer 2

I think dish-waher