Questions about pH, nitrite, etc. - Page 3 - Tropical Fish Keeping - Aquarium fish care and resources
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post #21 of 25 Old 10-06-2006, 12:30 PM Thread Starter
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I thought mine was done cycling in about 12 days. I did it without fish, and then I added them slowly, starting with mollies. Things seemed okay up until last week, when I suddenly saw a spike in the nitrites. Despite religious water changes every day, they are STILL very high. Ammonia, nitrates, pH... they are all within range. I am getting so panicky that the nitrites will NOT go lower, even after I change 25% of the water! (Yes, I tested the water I'm putting in - it has 0 nitrites). Can I expect the bacteria to form (apparently it wasn't there to begin with, altho' all my stats were low a few weeks ago)?

46-gallon bowfront freshwater w/
6 tiger barbs
5 gold barbs
4 blue (3-spot) gouramis
2 kribensis cichlids
2 albino cory catfish
1 featherfin syndontis catfish
2 mystery snails
2 marble snails
various live plants (12)
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post #22 of 25 Old 10-06-2006, 01:11 PM
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Hi starcollector. You might want to consider increading the amount of water you change in the tank - to 50 - 60 percent each day as it's very important that you get those nitrites down.

Could your local fish store perhaps hold your fish for you until the tank fully cycles?

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post #23 of 25 Old 10-07-2006, 11:29 PM Thread Starter
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Water changes

Here's the thing.... if I do massive water changes (50-60%) daily to bring down the nitrites, obviously that will bring down the ammonia as well. Will doing these water changes allow the nitrite bacteria to develop on their own, if there is little or no ammonia (ammonia levels are like 0.25 currently). Thanks, I feel so guilty for such a sick tank... fish dropping like flies. :(

Mary

46-gallon bowfront freshwater w/
6 tiger barbs
5 gold barbs
4 blue (3-spot) gouramis
2 kribensis cichlids
2 albino cory catfish
1 featherfin syndontis catfish
2 mystery snails
2 marble snails
various live plants (12)
starcollector is offline  
post #24 of 25 Old 10-07-2006, 11:32 PM
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Re: Water changes

Quote:
Originally Posted by starcollector
Here's the thing.... if I do massive water changes (50-60%) daily to bring down the nitrites, obviously that will bring down the ammonia as well. Will doing these water changes allow the nitrite bacteria to develop on their own, if there is little or no ammonia (ammonia levels are like 0.25 currently). Thanks, I feel so guilty for such a sick tank... fish dropping like flies. :(

Mary
Ammonia and nitrites are still toxic since you have fish. Hence I advised you to keep them down to zero rather than trying to raise them.

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post #25 of 25 Old 10-07-2006, 11:58 PM Thread Starter
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Hi Blue. I understand what you are advising and I totally agree. I am still doing large water changes. I was just wondering (as a newbie) if despite changing large amounts of water everyday, eventually I will see the nitrites balance out (and the ammonia obviously). Hoping this doesn't interfere with getting the cycle complete (obviously I have no other choice right now, but I hope I don't have to do huge water changes every day for the next year!). Thanks again for everything!

Mary

46-gallon bowfront freshwater w/
6 tiger barbs
5 gold barbs
4 blue (3-spot) gouramis
2 kribensis cichlids
2 albino cory catfish
1 featherfin syndontis catfish
2 mystery snails
2 marble snails
various live plants (12)
starcollector is offline  
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