My aquaponics got a heavy freeze for the first time last december (2013). I can confirm my redear were not anymore susceptible to the cold than my bluegill... at least with initial survive ability... but the stress did lower their immune system and they all got ick.. i brought them in to my indoor aquarium, salted to 3ppm and the ick fell off, they would have died if i left them outdoors. The couple of remaining bluegill didnt have ick and are still alive today in my ferro tank.




I posted a full freeze report with pictures on my aquaponics forum.. i apologize for linking another forum, i usually at least cut and paste it into a unique post here but i dont have time right now to upload the photos to my web site

http://www.backyardaquaponics.com/forum/viewtopic.php?f=2&t=19949

it's not a competing forum and no ads

brian