Yes, that is correct. I used an aquarium circulation pump for this (http://fab.cba.mit.edu/classes/863.14/people/matthew_arbesfeld/img/final/final_cooking_eggs.

Yes, that is correct. I used an aquarium circulation pump for this (http://fab.cba.mit.edu/classes/863.14/people/matthew_arbesfeld/img/final/final_cooking_eggs.jpg http://fab.cba.mit.edu/classes/863.14/people/matthew_arbesfe...). They go for about 10 bucks on Amazon.