Nitrites off the chart - The Planted Tank Forum
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post #1 of 20 (permalink) Old 07-26-2011, 11:15 PM Thread Starter
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Nitrites off the chart

So i've had to start my tank over but its been established for a little over a month now

I never test my water but on a whim today i decided to

my nitrites were beyond the scale of an API test kit. 6 otocinclus and 9 neon tetras. perfectly healthy no signs of stress including very high levels of c02

i've done two 50% water changes since then allowing a few hours between changes. cleaned cannister out

IM STILL off the charts.. im starting to wonder if my test kit is bad or if KNO3 is giving mixed results here because none of my fishies seem unhappy..

any information would greatly be helpful this is a first for me

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post #2 of 20 (permalink) Old 07-26-2011, 11:45 PM
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Try testing your tap water or better yet some distilled water. If the results are zero you probably have a problem. If not, the kit is bad.

BTW you should always test a "zero" control and another sample with a "known" concentration

If you play with chemicals you should know some chemisty.
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post #3 of 20 (permalink) Old 07-27-2011, 12:11 AM Thread Starter
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well i know my tap water is good... im assuming the kit is bad at this point. however wasn't when i bought it.. weird

just ran a test on tap water.. zero

so either its bad and a low amount is causing it to read wrong or my tank is uber toxic and my fish are superfishies

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post #4 of 20 (permalink) Old 07-27-2011, 12:15 AM
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Must be your test kit......

Other wise your fish are nuclear. lol
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post #5 of 20 (permalink) Old 07-27-2011, 12:16 AM
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There is a sticky here on the forum with simple to follow instructions for making reference solutions for the standard test kits most use. It works very well and zero checking with distilled is part of that.

If the poster Ray-the-pilot is one and the same with r-t-p that helped me with PPS back in the day when I used it well,, hey there and welcome aboard, if not LOL welcome aboard anyway with 18 current posts on TPT


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post #6 of 20 (permalink) Old 07-27-2011, 12:48 AM Thread Starter
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yeah i checked that out but nothing for nitRITES.. nitrates im not worried about so much, that's what i have plants for!!! otherwise i wouldnt be here on this spectacular forum

anyways. im going to try a new kit tomorrow as i have shrimp on the way and i'll bet money they aren't nuclear even if my fish are

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post #7 of 20 (permalink) Old 07-27-2011, 01:20 AM
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Try reperforming the test. you might have messed up the directions.
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post #8 of 20 (permalink) Old 07-27-2011, 01:30 AM
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Unlike high nitrates, high nitrites will damage the fish badly. Your test is clearly invalid.
After a month there is really no point in testing for nitrites, you won't have any. The bacteria that will by then be established will eliminate nitrites as fast as they appear.

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post #9 of 20 (permalink) Old 07-27-2011, 02:11 AM Thread Starter
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well i tested nitrates and apparently my tsp is not a tsp. i;ve been dosing 1/4 tsp and DEFINITELY NOT overfeeding and it was well above 100ppm i'd say 120 but its hard for me to tell colors sometimes and since doing two 50% water changes its down to 10-20

i wonder if high nitrates caused an anerobic bacteria growth????? could that be it?? i have good circulation and aeration

or are we still at my test is probably bad

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post #10 of 20 (permalink) Old 07-27-2011, 02:25 AM
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Maybe some excess organic waste in your gravel?
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post #11 of 20 (permalink) Old 07-27-2011, 02:32 AM
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Well, a tsp is 5mL, 3tsp is a tablespoon, and 6tsp is an oz. That might help if you're trying to determine the size of your dosing spoon.

So, if you have absolutely nothing else to measure with, 72 teaspoons will fill a soda can
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post #12 of 20 (permalink) Old 07-27-2011, 02:37 AM
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Do you treat your tap water? Things like prime will give a false reading on all ammonia/nitrite readings.

20g platy, , 2 x 10g shrimp, 3 x 20g shrimp, 7.5g shrimp and 1 great dane/mastiff puppy.

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post #13 of 20 (permalink) Old 07-27-2011, 02:48 AM Thread Starter
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i treat it with API water conditioner. its supposed to just remove chlorine

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post #14 of 20 (permalink) Old 07-27-2011, 04:55 AM
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Quote:
Originally Posted by HD Blazingwolf View Post
i treat it with API water conditioner. its supposed to just remove chlorine
You need to remove more than chlorine. Most water companies use chloramine now instead of chlorine. That is a mix of ammonia and chlorine, which lasts a lot longer in the water. Prime locks up both the chlorine and the ammonia. If you are leaving the ammonia in the water, it could lead to high nitrite readings right after a water change, as the bacteria convert the ammonia to nitrite.

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post #15 of 20 (permalink) Old 07-27-2011, 12:33 PM Thread Starter
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water company still uses good ole chlorine
this morning i mocked up a test solution of tap water, ferts, api water conditioner, zero test on ammonia nitrites.
yesterday ammonia was zero before and after water changes

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