BIRD0887 Posted February 4 Share Posted February 4 So i currently have two corys in a 75 tank, but want to move them to an 82 tank...how to i acctimate them wo fish bags and do i actually need to rly acctimate when the temp diff is only a few degrees?? Link to comment Share on other sites More sharing options...
mynameisnobody Posted February 4 Share Posted February 4 (edited) You can drip acclimate to desired temp. Anything with a 4 degree difference or greater and acclimation is very helpful. Edited February 4 by mynameisnobody Link to comment Share on other sites More sharing options...
Tony s Posted February 4 Share Posted February 4 (edited) 7 degrees can be a significant temperature difference. corys are tough, but I'd do a coarse drip acclimation. Put them in container of old water. Then add maybe a cupful of the hotter water a couple of 3-4 times. That should be sufficient. You do realize that, unless you have sterbai's, Corys are probably going to struggle a bit in the higher temps. They do best at normal temps around 78-79 and downward to 70, depending on species. There are a few, like the sterbai, that can handle the temps. But not a lot Edited February 4 by Tony s Link to comment Share on other sites More sharing options...
lefty o Posted February 4 Share Posted February 4 plus or minus 2 or 3 degree's i dont worry much. after that it starts to be a concern. colder moving to slightly warmer isnt so bad, but warm moving to colder can really shock them. so more than a few degrees put them in a bucket with water from the tank they are coming from, and add a little water from the tank they are going into every few minutes . for a small difference, it likely wont take 15 minutes or so to ease them into the temp change. Link to comment Share on other sites More sharing options...
BIRD0887 Posted February 5 Author Share Posted February 5 Thank u everyone, i actually am trying to drop the temp down to around 80, it was only a blue ram in the tank. I took a litlle water from their old tank an added water every little while n then put them in the tank. they seem to be doing ok 1 Link to comment Share on other sites More sharing options...
Andy's Fish Den Posted February 6 Share Posted February 6 As long as you are doing nothing to mess with the parameters of the water besides temp, I would just put the fish in some kind of container and float to temp acclimate for a few minutes and let go. When I am moving fish between tanks in my own fish room, I will put them in a specimen container and float then release. I only use heaters in a few tanks for discus, rest are room temp, most are within a few degrees of each other, and I don't buffer any tanks to different pH or anything, so I don't worry about anything more than acclimating to temp. Link to comment Share on other sites More sharing options...
jwcarlson Posted February 6 Share Posted February 6 (edited) I just did this with almost 30 cories. Going from 76 to 82. Netted them all out into a half gallon container with a couple inches of water in it. Moved them over to the new tank and set them on top. Took a cup and dumped another inch of water into it from the new tank. Let them set for 5 minutes or so and then released them. They were eating 30 seconds after release and none appeared even remotely stressed. Edited February 6 by jwcarlson 1 Link to comment Share on other sites More sharing options...
nabokovfan87 Posted February 6 Share Posted February 6 On 2/4/2024 at 6:33 PM, BIRD0887 said: Thank u everyone, i actually am trying to drop the temp down to around 80, it was only a blue ram in the tank. I took a litlle water from their old tank an added water every little while n then put them in the tank. they seem to be doing ok That's pretty hot for corydoras. Which ones are you talking about here? Sterbai and ones like false julii/trilineatus or Julii Corydoras do better at the 78-80 range than most other types. Link to comment Share on other sites More sharing options...
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