Originally Posted by biskoppen

So, I'm opening some oister here at home and this guy in a video tells me that a way to check if the oister is still alive (which they must be, otherwise dangerious to eat) is to put a few drops of lemonjuice on it to see if it contracs, if not - its dead and must be thrown away..

But, other videos just tells me to see if the shell is still tighly closed which means its alive..

So, my oisters are closed.. but none of them reacted AT ALL to the lemonjuice

Help a clueless one