Chilling your fish.

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bigspizz

Polypterus
MFK Member
Apr 20, 2007
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From all the ick and other ailments, I read everyday it makes me wonder.....Are people "chilling" their fish? I never hear this emphasized enough on here. Maybe someone who is more capable of FULLY explaining, the effects, could do so. The rest of us can say, if we knew this already, or add anything missing.

Example:

Putting water in a fishtank that is colder than the water in it already! It is important to avoid. Even a couple degrees could be detramental.
 
It's not the best idea. Some fish pending what species can withstand it more than others though. Ex florida gar can withstand it more than a pbass or SA fish.

I don't know how exactly you match the water going back in to the same temprature as the water left in it if you're saying even a few degrees is detremental?
 
Every organism on earth has an ideal temperature at which enzymes in the body work properly. In people we are endothermic and regulate are own body temperature the best we can. Fish are exothermic and rely on the outside enviroment to regulate there own body temp.

If you bring a fish to far out of its ideal range for prolonged periods enzyme function comes to a stop and fish slowly dies.

A change in a degree or two in tank water will not cause this. In the wild the temp does change with the seasons and heavy rainfall can drop the temp. Just do not make it to drastic.

Kory
 
I've also seen what seems like shock(fish will jump out of water, almost "spazz out") in drastic tempurature changes and does not take prolonged periods of time. I was stupid enough to have it happen once, luckily had a tank close by that had warmer water in it and the fish was saved.

Awesome explaination though Kory..
 
koliveira;861847; said:
Every organism on earth has an ideal temperature at which enzymes in the body work properly. In people we are endothermic and regulate are own body temperature the best we can. Fish are exothermic and rely on the outside enviroment to regulate there own body temp.

If you bring a fish to far out of its ideal range for prolonged periods enzyme function comes to a stop and fish slowly dies.

A change in a degree or two in tank water will not cause this. In the wild the temp does change with the seasons and heavy rainfall can drop the temp. Just do not make it to drastic.

Kory

Thank you....now that was input, thx! I.....Many years ago had a hot tank
and put some cold water in it to cool it (89-74) just destroyed my tank. That
was the only time I had more than one fish get sick, they barley made it. 3
Died it almost made me quit. So I did some good ol research (the same thing
that years later brought me here) This is a GOOD thing to know. You know,.... EXACTLY why not to do it.
I was a beginner once too, and researched this topic, it is basic, but still a
must know.
 
cichlaguapote;861862; said:
I've also seen what seems like shock(fish will jump out of water, almost "spazz out") in drastic tempurature changes and does not take prolonged periods of time. I was stupid enough to have it happen once, luckily had a tank close by that had warmer water in it and the fish was saved.

Awesome explaination though Kory..



Thank you, that is a good tip also, sorry it souded like "I" didn't know. Just readable advice far all who may not know. Sorry for the frustration......How bout you DELGADO have you ever put cold in your tank?
 
well 84 to 79 in a few minutes is an extreme IMHO.

usually when i do a water change, i add cool well water. temp only drops aboput two degrees.
 
bigspizz;861895; said:
Thank you, that is a good tip also, sorry it souded like "I" didn't know. Just readable advice far all who may not know. Sorry for the frustration......How bout you DELGADO have you ever put cold in your tank?

of course

when i refill my tank though, i have the hose flowing slowly so there isnt too much temp shock to the fishes.

over an hours the temp goes from 85 to 79

heater bring it back up in less than 8 hours
 
DeLgAdO;861983; said:
of course

when i refill my tank though, i have the hose flowing slowly so there isnt too much temp shock to the fishes.

over an hours the temp goes from 85 to 79

heater bring it back up in less than 8 hours



You use cold to refill? I have always been told to take special care to keep the water the same temp.
 
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