Yet another N cycle thread - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 18 Old 03-29-2012, 03:39 AM
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I have the exact same problem, I tested my tap water too and found there to be more Nitrates in my fresh tap water than in my tank that has 14 fish in for a while now... I was perplexed, so when I do partial water changes I will actually be putting more nitrate back into the tank than what I have taken out.. weird. But apparently you can get a Nitrate neutraliser that you can add to water? I have not seen it but some one posted on my thread about it.

There was also ammonia present in my tap water.
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post #12 of 18 Old 03-29-2012, 12:58 PM
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Originally Posted by pittipuppylove View Post
I have to wonder, rhy.
So I finally got around to doing what I probably should have done to begin with and tested the water out of the tap. After out-gassing all tubes and testing them, here're my readings:
pH: 7.4
Ammonia: either 0ppm or .25ppm
Nitrite: 0ppm
Nitrate: 20-40ppm
The newest city water report I've found says the N out of city taps should be in the 6-8ppm range, so I'm at a loss for why it's THAT high.
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Before jumping overboard...if you are using the API nitrate kit, shake Regent #2 for 2 minutes before adding the drops. The instructions say 30 seconds (or used to) but this can often give a faulty and higher reading. Retest and see what you have.

Ammonia in tap water at that low a level is not troublesome. If you have live plants, they will quickly grab it after the water change. Bacteria should too.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #13 of 18 Old 03-29-2012, 01:06 PM
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Before jumping overboard...if you are using the API nitrate kit, shake Regent #2 for 2 minutes before adding the drops. The instructions say 30 seconds (or used to) but this can often give a faulty and higher reading. Retest and see what you have.

Ammonia in tap water at that low a level is not troublesome. If you have live plants, they will quickly grab it after the water change. Bacteria should too.
I have had the same problem with Nitrate in my tap water.

Byron I have tested my tap water so many times. I put a timer for 2 minutes and went crazy on the bottle until the timer went off. My city water reporst between 4ppm and 6ppm. I am gettin readings of 40-60ppm on Nitrate in my tap water.

I have called the city plant already and they had confirmed a reading that day which stated 6ppm. Could it be that API Master Test Kit is reading higher on Nitrates (as it states it reads higher levels than other test kits because it looks for more of the Nitrate variations) than the test kit the cities are using....

I dunno...Adamson also has this issue and was not able to get a reading bellow 20-30ppm as I remember correctly.
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post #14 of 18 Old 03-29-2012, 01:50 PM
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I have had the same problem with Nitrate in my tap water.

Byron I have tested my tap water so many times. I put a timer for 2 minutes and went crazy on the bottle until the timer went off. My city water reporst between 4ppm and 6ppm. I am gettin readings of 40-60ppm on Nitrate in my tap water.

I have called the city plant already and they had confirmed a reading that day which stated 6ppm. Could it be that API Master Test Kit is reading higher on Nitrates (as it states it reads higher levels than other test kits because it looks for more of the Nitrate variations) than the test kit the cities are using....

I dunno...Adamson also has this issue and was not able to get a reading bellow 20-30ppm as I remember correctly.
I can't offer much on this aspect. The city numbers may or may not be accurate. Nitrate can vary according to the source of the water. What I might suggest to confirm your test results (or not) is to take a water sample to a reliable fish store and see what their nitrate test reads.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #15 of 18 Old 03-29-2012, 01:53 PM
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I can't offer much on this aspect. The city numbers may or may not be accurate. Nitrate can vary according to the source of the water. What I might suggest to confirm your test results (or not) is to take a water sample to a reliable fish store and see what their nitrate test reads.
Sounds like a plan. I will do this today and let you know of the results.

I have purchased two separated test kits to test the nitrate and both came up the same. I don't want my test kit to be wrong....but I don't want my water to be soo high on Nitrate either.
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post #16 of 18 Old 04-06-2012, 09:42 PM Thread Starter
Okie dokie, so I finally got to take samples of my tank and tap water to my LFS. Here's the readings they gave me:
Tap:
Ammonia: 0
Nitrite: 0
Nitrate: 20
Hardness: They stopped reading at 40 dGH

And identical readings on the tank water. Should I be worried that the water is THAT hard?

It's funnier in Enochian.
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post #17 of 18 Old 04-06-2012, 09:57 PM
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Originally Posted by pittipuppylove View Post
Okie dokie, so I finally got to take samples of my tank and tap water to my LFS. Here's the readings they gave me:
Tap:
Ammonia: 0
Nitrite: 0
Nitrate: 20
Hardness: They stopped reading at 40 dGH

And identical readings on the tank water. Should I be worried that the water is THAT hard?
For the fish and inverts mentioned in post #1, you don't have to worry about hard water. That is pretty hard, what we jokingly refer to as liquid rock, but I would expect livebearers (and certainly snails and shrimp) to manage.

The nitrate is not so bad at 20ppm. Live plants (Corkscrew Vallisneria should do very well in that water) will help.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #18 of 18 Old 04-07-2012, 11:49 PM Thread Starter
Awesome. Thanks!
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