Does Prime alter NitrIte Test Results?
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Does Prime alter NitrIte Test Results?

This is a discussion on Does Prime alter NitrIte Test Results? within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> One day after a 4x dose of Prime to my cycling tank, NitrIte levels dropped from between 2ppm and 5 ppm to near-zero. Coincidence ...

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Does Prime alter NitrIte Test Results?
Old 02-02-2014, 08:12 PM   #1
 
Question Does Prime alter NitrIte Test Results?

One day after a 4x dose of Prime to my cycling tank, NitrIte levels dropped from between 2ppm and 5 ppm to near-zero. Coincidence (my level was pegged at 5+ ppm for about nine days)? Or does the manner in which Prime locks-up NitrItes alter the test results? I'm using API's Master Freshwater test kit.
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Old 02-03-2014, 08:52 AM   #2
 
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Originally Posted by Diver Down View Post
One day after a 4x dose of Prime to my cycling tank, NitrIte levels dropped from between 2ppm and 5 ppm to near-zero. Coincidence (my level was pegged at 5+ ppm for about nine days)? Or does the manner in which Prime locks-up NitrItes alter the test results? I'm using API's Master Freshwater test kit.

haven't heard is alters the nitrItes test.

But most ammoina test kits measure total ammonia which includes both the free and locked. As such Prime will throw off the ammonia test kits showing ammonia when all that ammonia is the locked safe(r) type.

my .02
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Old 02-03-2014, 09:33 AM   #3
 
Thanks beaslbob. With respect to ammonia, I think I would be most interested in seeing the total ammonia but "knowing" that its toxicity is neutralized (i.e. by understanding the capabilities and limits of a conditioner like Prime). Seeing the total NH3, I expect, is a good indication of whether the biological filter is working adequately.
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Old 02-03-2014, 12:15 PM   #4
 
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I agree, Diver. Reading the total NH3/NH4 gives you a more accurate assessment of the cycle.

You can use this chart to determine how much of each is in your tank.
CNYKOI - Ammonia calculator


As far as I can determine, Prime does not alter the reading for nitrite or nitrate.
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Old 02-03-2014, 01:15 PM   #5
 
I think I need to understand what you mean when you say "alter"

I DO know from my own adventures with Nitrite issues, because I did test it, that if you treat with the 5X dose of Prime, without a water change the Nitrite does read 0 on the API test kit.

I had to do that once due to no time to change the water, but I wanted to see what the Nitrite was in the tank after the treatment.
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Old 02-03-2014, 01:35 PM   #6
 
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Old 02-03-2014, 01:39 PM   #7
 
Yeah... That's what I saw. And I'm wondering whether it indicates that my bio filter finally kicked-in. Or whether it is a "false negative" that reflects the chemical reaction between the nitrItes and the Prime.
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Old 02-03-2014, 02:51 PM   #8
 
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It's hard to tell from anything Seachem says whether the drop in nitrite is actual or the locking of the molecule (as it does with ammonia). In either case a lower reading would indicate lowered toxicity. This has not been my experience.

However, facing two reports that contradict my opinion, I'm looking into changing my mind on this. By which I mean I'm going to seriously look into this. Thanks, Remo and Diver.

(Now I have to drag out an old tank and cycle it... just so I can play with nitrite <sigh>)
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Old 02-03-2014, 03:06 PM   #9
 
Sorry to make work for you Hallyx. I'm very glad to have your insights, though. For what it's worth, I'm going to continue daily Ammonia and Nitrite testing to see whether there is an uptick in either one as the Prime wears off. I will post the results here in a few days or sooner if I see a rise. In the meantime, I'll keep other variables fixed... no new fish, no new plants, no increase in feedings, no water changes. I also submitted an inquiry with Seachem along these lines, and I will post their response.
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Old 02-03-2014, 03:25 PM   #10
 
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I appreciate your help with this, Diver, and I look forward to your observations.
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