Tropical Fish Keeping - Aquarium fish care and resources

Tropical Fish Keeping - Aquarium fish care and resources (
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bigk_54 05-15-2008 08:31 AM

Ok I have had my tank up and running for about 6 weeks now. I have 3 Zebras, 6 Glo Light Tetra, 6 Neon Tetra, and a Bala in a 55 gal with overfiltration. EVERYTHING has been within range until last night! All of a sudden my Nitrate and Nitrites have gone through the roof!!!! My nitRITE are 5 ppm and my nitRATE is 40 ppm! Last night I did a 10-12 Gallon water change after I tested, and today damn near the same readings! My ammonina on the the other hand is in the "safe" range! What is going on, WHAT DO I DO?! Thanks hope someone can help me!!!!

1077 05-15-2008 08:52 AM

I would do a 20 gal. water change and closely monitor water parameters. How many fish were added and at what intervals? could it be too many were added at one time? you say ammonia level is in safe? zone. in young tanks (tanks recently cycled) Some believe it is best to add one or two fish per week or every other week so as not to overwhelm biological bed. Are you overfeeding? vaccuming the bottom lightly in a young tank maybe one third of it at each water change, a different area each time can help prevent decaying food or plant matter from accumilating.

Lupin 05-15-2008 08:55 AM

What test kit did you use? Check your tapwater's parameters as well. How about the dechlorinator?

1077 05-15-2008 09:05 AM

Just a footnote to previus post, we do not know how many fish you had when cycling your tank. It could be that there were not enough to contribute to the nitrification process. then if present fish were added too quickly you could inadvertantly prolong the cycling. Also, what type of test kit are you using?

bigk_54 05-15-2008 09:10 AM

Shoot me now but I use test strips still, went to get a liquid one and the F'n place only had salt water ones, but anyway, I added the 3 Zebras about a month ago and 2 weeks ago I added another 9 fish. Like I said ALL was fine until yesterday! Guess I will try to pull out another 10 gallon today and see what happens. I am feeding the fish once in am and once in pm is that too much! When I said ammonia was safe, it is .25 ppm or a lil less.

1077 05-15-2008 09:22 AM

water change is good idea. Those #$%@~ test strips are notoriously inaccurate. But then you know that now don't you?

bigk_54 05-15-2008 09:49 AM

yeah yeah yeah! JUST ORDERED MY LIQUID KIT!!! :lol: Something I kinda put off now I regreting! But til then...... Here I go can you hear the water in the bucket now?! Im taking ten more gallon out! As far as feeding, I hear the rule "what a fish can eat in 2 min" My fish eat what I put in about 1 min. I dont ever see it fall but Im sure it does. All my fish seem health and active just like they have been in the prior weeks, I just REAL concerned cause on my quality test strips I have never had anything more than a shade of pink on the nitRATE (it goes white to hot pink full scale) which I would say my reading be between zero and 10 ppm. So Hope H2O change does the trick! Thanks everyone for the input!

Also a footnote I do use declorinator

tophat665 05-15-2008 10:50 AM

Please, please, please, next time use a more specific subject than "Help!". In this case, "Water Chemistry Woes" or "Nitrates gone wild" would have been good.


bigk_54 05-15-2008 08:28 PM


Originally Posted by tophat665
Please, please, please, next time use a more specific subject than "Help!". In this case, "Water Chemistry Woes" or "Nitrates gone wild" would have been good.


My apologies! But it got you to look didn't it! So instead of telling me how to post why don't you help me with some advice for my problem!!! Thanks for visiting!

iamntbatman 05-15-2008 08:31 PM

The reason for having relevant subject lines is so that other people browsing the forum can find topics of interest easily. It also aids in internet searches since people with similar problems might enjoy reading threads like this in order to solve their problems.

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