Major fish exchange
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Major fish exchange

This is a discussion on Major fish exchange within the Advanced Freshwater Discussion forums, part of the Freshwater Fish and Aquariums category; --> I know I am going to hear about over crowding... there is a long story behind the one tank.... Bottom line is I want ...

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Old 01-14-2014, 07:27 AM   #1
 
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Major fish exchange

I know I am going to hear about over crowding... there is a long story behind the one tank....
Bottom line is I want to swap fish between tanks to try and provide a better environment for the two.
My 20 gallon is really over run with plants, water sprite and java moss or fern, not sure which (it started as a 'lawn' I bought from petco). This leaves very little room for the rainbows. Yeah, i could take the plants out which i do from time to time: I cut them back.
My empire gudgeons, which are more laid back and hide a bit more i think would be perfect for the 20 gallon. Meanwhile I can move these Australian rainbows to the 29 gallon which is more open.
the plan is to catch as many fish at one time out of each tank and acclimate them to the other tank. Any stragglers I can catch and move later. Compatibility isn't much of a problem.
The question is, standard acclimatization procedures ok in this? Or would I do better just to do this transfer gradually?
Thanks.
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Old 01-14-2014, 08:49 AM   #2
 
instead of trying to acclimate the fish to the new tank, ... it may be simpler to get the tank parameters to match each other.

could mix water between them till you're sure they're sharing enough of each tank water in both tanks, ... if the parameters are drastically different between to the two (or just different enough you're worried about shocking them) to the changes slow, ... a scope from one into the other, back and forth till you're sure (either by what you think, or more reliable, by test kits you have)

after parameters are similar enough swapping fish back and forth will only be the stress of being chased by a net, pulled out of the water into the air *gasp, gasp* then back into water *relief* (either bucket or the other tank, ... whatever works)
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Old 01-14-2014, 08:55 AM   #3
 
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I used to (once in a while) need to swap between two tanks...but the parameters were identical. What is the difference between the two tanks? Did you test the water in both to see if there is any difference?
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Old 01-16-2014, 03:05 PM   #4
 
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I net fish directly over to other tanks quite often and never had any problem. Of course I make sure temps/ph match but to be honest I haven't checked my kh and gh in quite awhile.
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Old 01-16-2014, 03:11 PM   #5
 
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Quote:
Originally Posted by jeaninel View Post
I net fish directly over to other tanks quite often and never had any problem. Of course I make sure temps/ph match but to be honest I haven't checked my kh and gh in quite awhile.
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Same here, but I don't check any parameters.


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Old 01-16-2014, 11:34 PM   #6
 
I don't have the actual experience with fish-swapping, but I recall it being said that no two tanks have the same water. Also IMO if you don't want to take any chances period you could do the regular water acclimation thing just to make sure without going crazy with it. :)

Steven
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Old 01-17-2014, 01:46 AM   #7
 
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Major fish exchange

The water doesn't have to be the same, just close.

Last edited by jaysee; 01-17-2014 at 02:05 AM..
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Old 01-17-2014, 04:25 PM   #8
 
I agree, except for the water hardness. I understand that the difference in pH does not bother tropical freshwater fish as much as a difference in GH (General Hardness), when greater care should be taken. This is what I recall reading here, and I guess I'll be a goat if someone finds the reference and it means something else :)
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Old 01-17-2014, 11:58 PM   #9
 
I have over 20 tanks and the water is almost identical in each. I move fish like people change socks as I breed in rearing tanks.
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Old 01-18-2014, 05:36 AM   #10
 
That's cool. Sounds like you don't do any acclimation. I think too that small fish (juveniles) are particularly sensitive to changes in the water so you would know it right away.

Re-reading your post, it sounds like the breeding fish are the ones being moved.
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