My Albino Cory's

Beverley Barker

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I have just finished cycling my new 130ltr tank where I used filter and some water and substrate from my original smaller tank and water readings are today
Ph 8
Nitrate 0.25
Amonia 0.25
Nitrite 0

I have 6 glo light tetra
1 rummy
4 zebra danio
4 Black phantoms
Today I got 3 albino Cory's and I'm not sure if they are behaving the way Cory's should, I thought they would go and scavenge on the bottom but since I put them in the tank they are swimming around like little missiles and haven't yet gone to the bottom of the tank, Is this normal behaviour or are they stressing out?
I'm relatively new to this and I don't want to cause them harm.
 

fjh

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I'm sure they are fine. most likely they are just exploring the new tank and yeah, they probably are a little stressed by the new environment but theyll be fine. If you are really worried then keep the lights off for today and start feeding them tomorrow. Even once theyve settled in though, they will still be one of your most active fish.
What type of substrate do you have? cories do best in sand and love to sift through it. they also prefer caves to hide in when they aren't on a sugar high
 

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My bronze corys are SUPER active, they love swimming all around and exploring. They are my favorite fish to watch. I would agree with above, they are exploring! checking out their new home.
 
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Beverley Barker

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fjh said:
I'm sure they are fine. most likely they are just exploring the new tank and yeah, they probably are a little stressed by the new environment but theyll be fine. If you are really worried then keep the lights off for today and start feeding them tomorrow. Even once theyve settled in though, they will still be one of your most active fish.
What type of substrate do you have? cories do best in sand and love to sift through it. they also prefer caves to hide in when they aren't on a sugar high
Ahh Thank you fjh for your quick reply that's put my mind at rest as in the store where I got them they were all on the bottom very quiet, I have very small stone substrate I'm afraid but the chap said it would be OK as long as its not sharp or jagged, I have lots of little stone caves for them and drift wood, only thing is the tank is still slightly cloudy, it's better than it was but it's so irrating not being able to see the the fish to their fullest. iv attached a picture.
20190301_191502.jpg
 
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Beverley Barker

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DoubleDutch said:
Completely normal : get some more !
I can see why you could get attached to these little fish, fascinating..

Samanthaljay said:
My bronze corys are SUPER active, they love swimming all around and exploring. They are my favorite fish to watch. I would agree with above, they are exploring! checking out their new home.
Thanks Samanthalj I feel better now knowing they are super active, can you mix corys ie albinos with bronzes?
 

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Beverley Barker said:
I can see why you could get attached to these little fish, fascinating..
OMG you're the next Cory-addict.

Beverley Barker said:
Thanks Samanthalj I feel better now knowing they are super active, can you mix corys ie albinos with bronzes?
If the albinos are C.aeneus (most likely) you can mix them with bronze (same species)
 
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Beverley Barker

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DoubleDutch said:
Is the tank completely cycled ?
It's been just over 6 weeks now and the water went through its ammonia spike then nitrite and now the nitrate has been steady at 0.25 over the last few days, I have been doing 30% water changes and treating with prime and stability, in the store where I go said it was now OK to add more fish slowly over the next weeks, is that right?
 

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Beverley Barker said:
It's been just over 6 weeks now and the water went through its ammonia spike then nitrite and now the nitrate has been steady at 0.25 over the last few days, I have been doing 30% water changes and treating with prime and stability, in the store where I go said it was now OK to add more fish slowly over the next weeks, is that right?
Only thing is that nitrates should a bit higher than 0.25 I'd say.
 
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Beverley Barker

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DoubleDutch said:
OMG you're the next Cory-addict.
Lol.. I haven't taken my eyes off them, my other fish are so sedate, one of them good from one side of the tank to the other literally skimming the top of the water!

DoubleDutch said:
Only thing is that nitrates should a bit higher than 0.25 I'd say.
Oh ok, I was told that all parameters all but ph should be around 0? What should I be looking for?
 

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Beverley Barker said:
Lol.. I haven't taken my eyes off them, my other fish are so sedate, one of them good from one side of the tank to the other literally skimming the top of the water!

Oh ok, I was told that all parameters all but ph should be around 0? What should I be looking for?
Did you use ammonia and that was processed in a certain time?
 

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Beverley Barker said:
It's been just over 6 weeks now and the water went through its ammonia spike then nitrite and now the nitrate has been steady at 0.25 over the last few days, I have been doing 30% water changes and treating with prime and stability, in the store where I go said it was now OK to add more fish slowly over the next weeks, is that right?
I would wait for a little while before adding new fish, until your cycle is better established. What is the water temperature of your tank? My tank is 75F / 24c
I ask because I have the same combination of fish, 6 albino cory and six long finned gold danio. Their temperature ranges overlap at the extreme ends.
albino cory 72F / 22c to 79F / 26c

Danio 64F / 18c to 75F / 24c

I am not sure if it matters much, still working that out, because all these fish are farm raised anyway. So thinking the danio was raised in warm water, not sure though.
 
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Beverley Barker

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DoubleDutch said:
Did you use ammonia and that was processed in a certain time?
No I didn't use ammonia just the filter, water and some substrate from my tank I transferred them from.

countryrain said:
I would wait for a little while before adding new fish, until your cycle is better established. What is the water temperature of your tank? My tank is 75F / 24c
I ask because I have the same combination of fish, 6 albino cory and six long finned gold danio. Their temperature ranges overlap at the extreme ends.
albino cory 72F / 22c to 79F / 26c

Danio 64F / 18c to 75F / 24c

I am not sure if it matters much, still working that out, because all these fish are farm raised anyway. So thinking the danio was raised in warm water, not sure though.
Its a constant 26C/ 78F, sorry its a bit late re adding fish but I only went on what I was advised by the aquarium centre I use.
 

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Beverley Barker said:
No I didn't use ammonia just the filter, water and some substrate from my tank I transferred them from.
Sorry Beverley, didn't read your initial post that well.

It puzzles me a bit. The filter is the most important part. That should be cycled.
Ammonia should be zero again (don't understand why you're still testing a bit), nitrites should stay zero and nitrates as endproduct isn't an issue.

Test again tomorrow and let's see.
Wait buying more fish till these parameters are stabil.
 

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Beverley Barker said:
Lol.. I haven't taken my eyes off them, my other fish are so sedate, one of them good from one side of the tank to the other literally skimming the top of the water!
they definitely have some personality to them. Mine have discovered that the top of the sponge of my sponge filter is comfier than the bottom of the tank for sleeping. Yesterday morning I saw one sleeping on the sponge, this morning there were 3 LOL
 
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Beverley Barker

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DoubleDutch said:
Sorry Beverley, didn't read your initial post that well.

It puzzles me a bit. The filter is the most important part. That should be cycled.
Ammonia should be zero again (don't understand why you're still testing a bit), nitrites should stay zero and nitrates as endproduct isn't an issue.

Test again tomorrow and let's see.
Wait buying more fish till these parameters are stabil.
Iv just done another water test and results are :
PH 7.4
Nitrite 0
Amonia 0.25
Nitrate 30! Yesterday it was about 0.25 0.50
That's how much it's changed from yesterday nitrates are right up, what should I be looking for in nitrates to say my tank is now cycled?
Thank you for your help.
 

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Beverley Barker said:
Iv just done another water test and results are :
PH 7.4
Nitrite 0
Amonia 0.25
Nitrate 30! Yesterday it was about 0.25 0.50
That's how much it's changed from yesterday nitrates are right up, what should I be looking for in nitrates to say my tank is now cycled?
Thank you for your help.
Personally I think your test yesterday was false and this one makes more sense.
Also I expect the tested ammonia is a slight trace of ammonium or a minimum shown at the test.

Last test you could do to be sure the tested nitrates are result of the cycling is to test your tapwater. If that shows a lower level of nitrates (or even zero) that proves the cycling has done its job.

But I am pretty sure it is okay. Especially cause you used the old filter.

One more question : The fish in your profile pic isn't in your tank is it ?
 
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Beverley Barker

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DoubleDutch said:
Personally I think your test yesterday was false and this one makes more sense.
Also I expect the tested ammonia is a slight trace of ammonium or a minimum shown at the test.

Last test you could do to be sure the tested nitrates are result of the cycling is to test your tapwater. If that shows a lower level of nitrates (or even zero) that proves the cycling has done its job.

But I am pretty sure it is okay.
Hi
Thank you for your help, I have just tested my tap water and this is the result, this is high isn't it? I always use prime in my water changes.
20190302_103413(0).jpg
 

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Beverley Barker said:
Hi
Thank you for your help, I have just tested my tap water and this is the result, this is high isn't it? I always use prime in my water changes.
20190302_103413(0).jpg
As a man (might be a bit colorblind) does it say 5 ppm ?
Uhhhhh how did you test 30ppm Mrs. Barker? hahahah
 

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