Nitrite
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Nitrite

This is a discussion on Nitrite within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> Hi there, tank's been cycled and is now fully stocked. When I did water test today Amm 0, Nitrate 10-12 and nitrites up 0.25. ...

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Old 07-08-2008, 04:22 AM   #1
 
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Nitrite

Hi there, tank's been cycled and is now fully stocked. When I did water test today Amm 0, Nitrate 10-12 and nitrites up 0.25. Do I just do a series of water changes to bring this back down. (need to get more ph tester but 5 days ago it was 7.2) using liquid test kit.

If over feeding causes a rise in nitrites then I'm pretty sure that's what I've done :( it's really hard to know how much is enough when u first start. I got frozen cubes of live food for them and give them that every other day and i think there's prob. 2 much food in 1 cube for the number of fish. feed them twice a day two dried foods, or one live & one dried, but it's not the number of times its the amount i think.

Also I'm a little worried I'm over stocked now, got two corys julii (that's what i was told they were) as a present and they went in tank yesterday.
63l tank, 30cm wide, 35cm high, 60cm long. (about 3months old now, not sure exactly)
fish (all young and not fully grown) - added to tank with gaps of over a week between species
3 cherry barbs
2 honey gouramis
6 cardinal tetras
and now also the 2 corys

Should I do water changes twice a week maybe with that many fish?

Fish all look happy enough, very active - even the corys, I always thought bottom feeders just lazed around ot the bottom munching all day or night they're really playful great to watch be sorry if I haven't the room to keep them.

Anyway I'm rambling now :) love talking about my fish - going out today to get little hidey place for corys and some sand
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Old 07-08-2008, 05:55 AM   #2
 
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The secret to success in fishkeeping is to be very patient. You added fish to fast. You have to take time to slow down.

At this point, i would not do anything to lower Nitrite. I would continue to test daily. You will probably see the Nitrite lower to zero within a day or two. Consider yourself lucky.

Your Nitrates are a long term concern, but weekly 20% partial water changes should suffice.

As to feeding, less is more. Several small feedings per day is the best option.
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Old 07-08-2008, 06:34 AM   #3
 
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Thanks for that, due for a water change tonight doing about 30% weekly.
I thought waiting just over a week to add each group of fish fish was okay just thankful I've been lucky.

Do you know anything about cories. The two I've just got are really active swimming up and down the sides of the tank and in the filter current are they happy or stressed?
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Old 07-08-2008, 06:39 AM   #4
 
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Really like ur tank Pasfur
Cool idea getting a tadpole tank for ur son.
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Old 07-08-2008, 01:19 PM   #5
 
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Sometimes cories lay around like lazy dogs, but mine spend a lot of time swimming pretty actively. I think yours are fine, though they'd be even happier with a larger group.

No, I don't think you're overstocked. You could probably safely add another couple of cories to make a bigger group after you've let the nitrites settle down and wait a while after that, as well.
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Old 07-08-2008, 02:49 PM   #6
 
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That's good to know. I've added a little sand area in the corner (cos I've got gravel) and hidey place (plant pot) for them. I've also put an air stone in. The other fish in tank are really easy going so I think they'll not feel 2 threatened, it kinda looks like they're getting it together the way they've been dancing around with eachother all day! think it might be a case of two's company three's a crowd at the mo anyway

I've done a 30% water change aswell today. Is it worth testing the water again now or wait til tomorrow? (really don't know if it makes a difference waiting).

Also I've got a lot of things in the tank which takes up room so that's why I thought I might not be able to get any more fish. I'll be posting an up to date pic soon

thanks again :)
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Old 07-08-2008, 07:42 PM   #7
 
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Your Nitrite will lower due to the biological filtration process, not simply because of water changes. I see no reason to change 30% daily simply because of a small Nitrite reading. Seriously, in your setup with your fish selections, a small temporary Nitrite reading is about as dangerous as a paper cut. You certainly aren't going to give yourself a paper cut on purpose, but you aren't going to call an ambulance either.
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Old 07-09-2008, 06:02 AM   #8
 
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8)
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