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i fail at keeping corys...

This is a discussion on i fail at keeping corys... within the Catfish forums, part of the Freshwater and Tropical Fish category; --> Originally Posted by cpwebsite To start, if your tank was setup for over two years but had not fish in it then it'll lose ...

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i fail at keeping corys...
Old 12-23-2012, 05:07 PM   #21
 
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Originally Posted by cpwebsite View Post
To start, if your tank was setup for over two years but had not fish in it then it'll lose its cycle. It needs constant fish inside of it, or if it doesn't have constant fish it'll lose its cycle.

Spend $10 and get a gravel vac and do a 50% water change weekly for a month with the gravel vac (assuming you have no fish).

Also, while corrie are schooling fish, try getting 2 and then wait a month and get 2 more. Or you can get all all 6, but dose prime daily for a month to remove cycling issues.
there WERE fish in the tank, just not many. Actually I can't remember my stocking levels at the points when I've had corys, but the first lot, I think I just had a gourami (a leftover from before I really understood about suitable tank sizes. She died suddenly from stunting after a year.) The second lot of corys I tried, the peppereds, I had at a time when there was a group of about 10 - probably more - small shoaling fish in the tank (can't recall whether I still had a gourami at that point.) I would have thought that the latter nubmer of fish would be sufficient to maintain a cycle. The first lot of corys don't really count as the tank had only just been set up at that point was still cycling.

good advice about adding the fish slowly. I'd get a gravel vac except I know the heads of those things are quite large, and my tank is so planted up there's very little freely accessible gravel. Even just siphoning with a small tube, I cause quite a lot of disruption to the plants. Thinking of making one myself.

anyway, I won't be getting corys again for a long time because my tank is currently completely stocked, and it's a nice setup :)
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Old 12-23-2012, 05:59 PM   #22
 
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I have had great luck with my Corie's. So much so that they bred in my tank. I have Eco-Complete substrate and though it isn't soft like sand, they seem to do quite will with it. Also, I agree with the water changes. It might be the secret to my success with them. I recommend a 75% water change weekly if not every 5 days. Clean water is the key. Yes, get yourself a gravel vac as it not only makes the cleaning easy (so you are more likely to do it) but I think on occasion one needs to get a bit of the filth from the gravel.

I do not recommend only getting 2 at a time. I would recommend that normally when adding fish but with Corie's, I would get a minimum of 3 of the same species and then if you wish for more, add another 3 of the same or compatible species. Also, adding several live plants helps too. Cories do seem to hang out under my large Amazon Swords the most.
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Old 12-23-2012, 06:19 PM   #23
 
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I have had great luck with my Corie's. So much so that they bred in my tank. I have Eco-Complete substrate and though it isn't soft like sand, they seem to do quite will with it. Also, I agree with the water changes. It might be the secret to my success with them. I recommend a 75% water change weekly if not every 5 days. Clean water is the key. Yes, get yourself a gravel vac as it not only makes the cleaning easy (so you are more likely to do it) but I think on occasion one needs to get a bit of the filth from the gravel.

I do not recommend only getting 2 at a time. I would recommend that normally when adding fish but with Corie's, I would get a minimum of 3 of the same species and then if you wish for more, add another 3 of the same or compatible species. Also, adding several live plants helps too. Cories do seem to hang out under my large Amazon Swords the most.
my tank is completely overgrown with live plants
If only I had the room - and the money - for it (and thought my mum would let me) I'd set up my other 15 gallon tank which has used as a table for years now! It would be so great to have 2 relatively large tanks to work with. Then I could have corys again.
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Old 12-23-2012, 06:30 PM   #24
 
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Admittedly, I wouldn't keep Cories in a 15 gallon tank. They are incredibly active little fish. They are all over my 60 gallon like popcorn. They are up, down and all over the place. Hyper active little guys. Then all of a sudden you look and they are all laying on the bottom right next to each other, sleeping. Very cute.
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Old 12-23-2012, 06:33 PM   #25
 
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Admittedly, I wouldn't keep Cories in a 15 gallon tank. They are incredibly active little fish. They are all over my 60 gallon like popcorn. They are up, down and all over the place. Hyper active little guys. Then all of a sudden you look and they are all laying on the bottom right next to each other, sleeping. Very cute.
I don't have the room for a larger tank, let alone the money How many corys do you have? I know that they're shoaling fish, but the happiest corys I've ever had I kept as a pair. most of their life was spent in a 6 gallon tank, which I admit is much too small, but I didn't know that back then!

by the way, did you get the 'wet' eco-complete that's like soaked in bacteria-infested water? would you reccomend it? what does that do to cycling the tank?
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Old 12-24-2012, 04:46 PM   #26
 
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I have Eco complete in all of my tanks without issues. In my larger tank I have about 18 Cories and in the 30 gallon I had 6. They really are very active and I believe that the consistant water changes is the key to keeping them healthy.

Not having money or room for a larger tank is not an issue, you just need to pick fish that best work with the situation you have. Sounds like your tank is full now anyhow so you will be good for a few years. Merry Christmas! :)
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Old 12-29-2012, 10:47 AM   #27
 
Can you keep cories in 60litres aquarium with lots of amazon plants and smooth pebbles with sand underneath?
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Old 12-29-2012, 11:11 AM   #28
 
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Yes, you can keep a group of 5 to 6 Cories in a 60 litter tank. I prefer sand as a substrate for them but you can use small gravel that is rounded. I have experienced issues with rounded gravel and Skunk Cories. Their barbels have been thinning while the other Cory species have not had issues.
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Old 12-29-2012, 04:57 PM   #29
 
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if I was going to set up another 15 gallon with sand, what sand would you recccomend? I used to just use play sand, but I'm guessing that's not ideal. I've never really looked at what sand my LFS has. I don't even think I've seen it
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Old 12-30-2012, 04:19 AM   #30
 
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if I was going to set up another 15 gallon with sand, what sand would you recccomend? I used to just use play sand, but I'm guessing that's not ideal. I've never really looked at what sand my LFS has. I don't even think I've seen it
Many of the folks on the site use play sand. I do. You can't beat the price, it looks nice, and the plants seem to do well in it.
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