Help with water quality!!! - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 5 Old 02-26-2010, 03:31 PM Thread Starter
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Help with water quality!!!

Ok some background info: we got our son his first fish tank in October. It was a 10 gallon and we had 6 Tiger Barbs. About 6 weeks later we added some neon tetras. After about 2 weeks one of the barbs died then a few days later 2 more died. after talking to a friend who said the neons might have just produced to much waste and stressed the barbs I went and got a 20 gallon to put the remaining barbs in and added some more tetras to the 10 gallon. I was new and didnt know anything about cycling and was using this stuff that came with the aquarium that was supposed to balance nitrite and ammonia and said you only needed to do water changes every 6 months! Well I have become educated since then. I have been testing my water and doing frequent water changes. My issue is I just cannnot get my 20 gallon to cycle. The 10 gallon is doing good. I do weekly water changes and it seems fine . I just can't get a 0 Ammonia in the 20 gallon? I used API stress zyme to try and speed it up but nothing. Nitrites have been 0 for about 3 weeks.

Here are my results from today:
Tank #1 10 gallon ( tetras, betta, snail)
Nitrate - 20
Nitrite - 0
GH- 75
KH - 120
ph - 7.2
Amonia - 0

Tank #2 - 20 gallon ( 2 small African Cichlids, 5 tiger barbs)
Nitrate - 0
Nitrite - 0
GH- 75
KH - 120
ph - 7.8
Amonia - 0.5

any suggestions would be appreciated. I am currently looking for a larger tank to do move the 2 cichlids to and to cichlid tank but I want I am doing first.

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post #2 of 5 Old 02-26-2010, 03:53 PM
kelly528's Avatar
Try 'seeding' the filter in the 20 with squeezings from the 10g filter media. You essentially are dropping the bacteria into a vat of food, so they will just keep doubling every 1/2 hour or so until theres no ammonia.
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post #3 of 5 Old 02-26-2010, 04:15 PM Thread Starter
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Thanks! I just did that so we will see. I had no idea it would double that quick!!
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post #4 of 5 Old 02-26-2010, 06:15 PM
kelly528's Avatar
Yeah they are just pounding the danger of cross-contamination into our heads these days :)
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post #5 of 5 Old 02-27-2010, 01:28 AM
iamntbatman's Avatar
Agreed on the seeding technique.

How long has this tank been set up? There are so many variables at play it's impossible to predict how quickly the tank will cycle, but some definitely do take longer than others. This could just be a stubborn one.

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