Corys seem health but...
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Corys seem health but...

This is a discussion on Corys seem health but... within the Catfish forums, part of the Freshwater and Tropical Fish category; --> Hi I have a 20 gallon tank with 7 cories about 10 guppies and a pleco. The chems are ammonia: 0, nitrites:0, nitrates: 160 ...

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Corys seem health but...
Old 02-04-2011, 01:45 PM   #1
 
Corys seem health but...

Hi
I have a 20 gallon tank with 7 cories about 10 guppies and a pleco. The chems are ammonia: 0, nitrites:0, nitrates: 160 and ph: 6 No matter what I do re: water changes, etc these seem to be the levels I get for a very long time. Recently the corys have started coming to the surface to get air - it seems to be all of the them but none of the other fish. They seem healthy otherwise. I have a Tetra filter that attaches to the side and the water temp is always within the "green zone" of the thermometer. Should I be concerned. Should I be trying to increase the aeration of the tank and if so how?

Thanks,
riri1263
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Old 02-04-2011, 04:53 PM   #2
 
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Quote:
Originally Posted by riri1263 View Post
Hi
I have a 20 gallon tank with 7 cories about 10 guppies and a pleco. The chems are ammonia: 0, nitrites:0, nitrates: 160 and ph: 6 No matter what I do re: water changes, etc these seem to be the levels I get for a very long time. Recently the corys have started coming to the surface to get air - it seems to be all of the them but none of the other fish. They seem healthy otherwise. I have a Tetra filter that attaches to the side and the water temp is always within the "green zone" of the thermometer. Should I be concerned. Should I be trying to increase the aeration of the tank and if so how?

Thanks,
riri1263

hi there!!!

just do constant water changes until you get that resolved, 50% water changes I would say...how do you measure your water parameter? do you have air stones? if not get those they help with oxygen. Tell us more about your equipment and your tank it would help us see what up with those unusual readings. like I said keep asking question anything that you might have in mind ask it could mean a drastic change in the health and well-being of your little fishies!!!

take care!!!
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Old 02-04-2011, 06:21 PM   #3
 
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A nitrAte reading of 160? Which test kit are you using?? NitrAtes 40ppm and beyond will make it difficult for fish. What do your nitrAtes test out of your tap? I assume your using tap water? Also, what brand of water conditioner are you using? How long has your tank been set up??
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Old 02-04-2011, 08:09 PM   #4
 
yah 160 is very high you need to get that number down
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Old 02-04-2011, 08:15 PM   #5
 
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I think that you might have too many fish in such a small tank.

What kind of cories are they?

Plecos get pretty big, you will eventually have to rehome it.
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