Just bought my first 5 fish - cardinal tetra. :* - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 13 Old 09-06-2010, 10:22 AM Thread Starter
Question Just bought my first 5 fish - cardinal tetra. :*

They're currently floating around in a plastic bag & for 20 minutes now I've been adding a little water from the tank to the bag every few minutes.
x3
The lights are off && I know not to feed them until tomorrow.. but I have a few things I'd like to double check.

1) What temperature should the tank be at?
2) How do I go about releasing them into the tank?


^-^
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post #2 of 13 Old 09-06-2010, 10:44 AM
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I copied this from the Tropical Fish Profiles section (top of our screen) for you. I would just gently empty the bag into the tank. Make sure there's nothing they're going to bang into like a decoration first.

Ideal water parameters for Cardinal Tetra

Soft (hardness below 4 dGH) acidic (pH below 6.0) water, temperature 23-27C/73-81F. May tolerate harder and slightly basic water short-term, but will be more susceptible to disease and a shorter life span.

Read more: http://www.tropicalfishkeeping.com/p...#ixzz0ylDoUAPg

Animal testing is a terrible idea; they get all nervous and give the wrong answers.
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post #3 of 13 Old 09-06-2010, 12:17 PM Thread Starter
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^__^ Thank you.

I just filled the bag up completely and tipped it up until they swam out.

I can't stop watching them as they explore their new home. x3

One more question: how often do I need to do water changes?
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post #4 of 13 Old 09-06-2010, 12:43 PM
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Is this an established (cycled) tank?

Animal testing is a terrible idea; they get all nervous and give the wrong answers.
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post #5 of 13 Old 09-06-2010, 02:05 PM
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Originally Posted by lostperspective View Post
^__^ Thank you.

I just filled the bag up completely and tipped it up until they swam out.

I can't stop watching them as they explore their new home. x3

One more question: how often do I need to do water changes?
the more frequent your water changes, the better the water quality and the healthier and happier your fish will be. The amount you should change is dependant on what fish species you are keeping and the the numbers of fish you have - more fish produce more waste (ammonia) and therefore need more regular water changes or a greater volume of water to be changed each time. Some fish are also more sensitive to water quality then others.

I aim to change 40-50% of my water once per week

also, as romad has said - if the tank has not cycled then this changes things regarding water changes. Info on cycling is here:

http://www.tropicalfishkeeping.com/f...m-cycle-38617/

Last edited by sik80; 09-06-2010 at 02:08 PM.
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post #6 of 13 Old 09-06-2010, 03:58 PM
never throw old lfs water into the tank.it's better to net or scoop the fish out

5x2x2 aro,highfin bat,fei feng,ST,albino tinfoil,c.perch
4x1.5x1.5 planted tetras,harlequins,
otto,WMM,2 types of celebes rainbows,rcs,amano, bamboo,red ramhorns,MTS
3.5x2.5x2 flowerhorn,pleco
3x1.5x1.5 russel's lion,blue cleaner,sixline and leopard wrasse,maroon clown pair,green chromis,scorpion,tiger cowrie,turbo,lyretail anthias,jewel,anemone,star polyp,marbled and giant green mushi,zoa
2x1x1 nano sw shrimps
22 May 2012
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post #7 of 13 Old 09-06-2010, 06:09 PM
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+1 on kitten

You never know whats floating around in fish store water, something these fish are swimming in might not effect them but might effect other fish inside your tank. Since these are your first fish of course I don't foresee a problem with adding the fish store water to your own, but from here on out don't combine water.
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post #8 of 13 Old 09-06-2010, 08:32 PM Thread Starter
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The tank has been set up for ten days & has a fair few plants in it - all of which have been doing well.
& it's a 30 litre tank.
So I guess I ought to be doing daily water changes?


I'll net future fish in that case.
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post #9 of 13 Old 09-06-2010, 08:43 PM
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Pictures, Pictures? I can't wait to see them. I agree with checking those water parameters daily and really watching your fish for signs of stress. In the beginning I was doing daily water changes too. Only for a few weeks, then I backed it down to 3 times a week and down. Now I do a weekly 40% water change.
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post #10 of 13 Old 09-07-2010, 06:08 AM Thread Starter
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Thank you for all your help. =)

Here's three of them just after I released them into the tank:


They seemed much more relaxed after a few hours in the tank & started to do quite a bit of exploring. At the moment they're all round by the heater & the water pump, swimming up and down the side of the tank.. is that normal behaviour? & what are the signs of stress? S=
I don't have a water test kit unfortunately so I can't test the water.
I will do regular water changes though.
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