Look me in the eyes and tell me they aren't the cutest little things ever! And the little guy in the back just cozying up!
 

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When there is ammonia or nitrite in the tank, reduce feeding to once every two or three days. My fish are only fed once a day in a tank that has been running for years. Too much food will create a lot of ammonia, both excreted by the fish and from uneaten food, which will be turned into a lot of nitrite. Reducing the amount of ammonia will reduce the amount of nitrite being made.
Food manufacturers always tell you to overfeed as the faster you use the food the more you'll buy. Fish don't need nearly as much food as you'd think because unlike mammals they don't use any energy to keep warm - that's where a lot of our food goes. One guide I read years ago is to feed the amount of food that adds up in size to one eye per fish. So with 4 cories, look at the size of an eye and feed as much food as would take up 4 eyes worth of space.


Ideally test the water every day and whenever there is a reading above zero, do a water change. At these levels of nitrite, one water change a day should be OK provided it is big enough to get nitrite down to zero
 
When there is ammonia or nitrite in the tank, reduce feeding to once every two or three days. My fish are only fed once a day in a tank that has been running for years. Too much food will create a lot of ammonia, both excreted by the fish and from uneaten food, which will be turned into a lot of nitrite. Reducing the amount of ammonia will reduce the amount of nitrite being made.
Food manufacturers always tell you to overfeed as the faster you use the food the more you'll buy. Fish don't need nearly as much food as you'd think because unlike mammals they don't use any energy to keep warm - that's where a lot of our food goes. One guide I read years ago is to feed the amount of food that adds up in size to one eye per fish. So with 4 cories, look at the size of an eye and feed as much food as would take up 4 eyes worth of space.


Ideally test the water every day and whenever there is a reading above zero, do a water change. At these levels of nitrite, one water change a day should be OK provided it is big enough to get nitrite down to zero
Sounds good, I'll be feeding them Wednesday morning. Also in regards to the water changes sounds good. I'll do a 60% water change tommorow. Thanks for your help! Is there a food you would recommend over another? I have shrimp pellets and algae wafers.
 
Since you have shrimp pellets, they are fine for cories. They'll also eat algae wafers but not just those as they are omnivores which need some 'meat' in their diet.
Getting bug bites as well and feed different things every day will give them variety.
 
Since you have shrimp pellets, they are fine for cories. They'll also eat algae wafers but not just those as they are omnivores which need some 'meat' in their diet.
Getting bug bites as well and feed different things every day will give them variety.
Sounds good, I'll swing by my LFS and get some bug bites this Saturday. I'll feed them one shrimp pellet Wednesday and an algae wafer with a little sliver of shrimp pellet Friday. By then I'll go to my LFS and get the bug bites and rotate shrimp pellets with bug bites and a little algae wafer every then and again. I'll also do 50 to 60% water changes every morning to keep down the nitrite for the first week, and continue if it doesn't stay down.
Edit: spelling
 
Sounds good, I'll swing by my LFS and get some bug bites this Saturday. I'll feed them one shrimp pellet Wednesday and an algae wafer with a little sliver of shrimp pellet Friday. By then I'll go to my LFS and get the bug bites and rotate shrimp pellets with bug bites and a little algae wafer every then and again. I'll also do 50 to 60% water changes every morning to keep down the nitrite for the first week, and continue if it doesn't stay down.
Edit: spelling
That guy is never getting them back!
 
All jokes aside I really just want them to prosper and do well. Wether I end up keeping them (which I totally will) isn't the point, I can't just sit back and let these little fish die because I get lazy.
 
All jokes aside I really just want them to prosper and do well. Wether I end up keeping them (which I totally will) isn't the point, I can't just sit back and let these little fish die because I get lazy.

Call it your duty if it makes you feel better.
But, make no mistake, you're in ♡.
 
I have one more concern about their health. It seems that one of them is sort of not interacting with the other three. They are all under one rock together whereas the other one is alone on the other side of the tank. My LFS gets more cories Thursday, should I get another 3 or 4 to try and spread out the hazing? Or would that put too much strain on my tank seeing as its so new.
 
I have one more concern about their health. It seems that one of them is sort of not interacting with the other three. They are all under one rock together whereas the other one is alone on the other side of the tank. My LFS gets more cories Thursday, should I get another 3 or 4 to try and spread out the hazing? Or would that put too much strain on my tank seeing as its so new.
Yeh wait until you're down to 0 nitrites before getting anymore. Be thankful you have 4 corys and not 1! Try and watch them through the night, that'll give you a better understanding of their behaviour
 
Yeh wait until you're down to 0 nitrites before getting anymore. Be thankful you have 4 corys and not 1! Try and watch them through the night, that'll give you a better understanding of their behaviour
Sounds good!
 
Yeh wait until you're down to 0 nitrites before getting anymore. Be thankful you have 4 corys and not 1! Try and watch them through the night, that'll give you a better understanding of their behaviour
If I got some filter media from my friend would that help? And what is filter media?
 

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