See subject. Do I just boil for 2 or 3 minutes or should I boil longer?
The Skeptical Aquarist says to steep over night. Do I pour boiling water over the shell and let it sit over night? Obviously I don't boil it all night.
The Skeptical Aquarist says to steep over night. Do I pour boiling water over the shell and let it sit over night? Obviously I don't boil it all night.

Last edited: