There's a thread here that might help answer your question
http/www.fishforums.net/index.php?/topic/382762-keeping-shrimp-in-an-unfiltered-unheated-tank/
There's a thread here that might help answer your question
http/www.fishforums.net/index.php?/topic/382762-keeping-shrimp-in-an-unfiltered-unheated-tank/