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[APD] Re: Ammo Lock and Ammonia Tests
AFAIK, none of the modern chloramine "removers" can be used with any
Nesler's-reagent ammonia test. All will give false positives, I think.
[See the "Amquel" literature for details.]
Try the same test using a salycilate ammonium test and see if
ammonia/ammonium isn't below detectable levels.
2ppm of ammonia is deadly to nearly any fish. Just be sure your pH is
low until you have an answer, so most of it is as NH4, if it is really
there. [I suspect it isn't.]
A small side issue: Nesler-reagent tests are not nearly sensitive enough
to tell you when potentially lethal amounts of ammonia (0.01 ppm) are
present, but they are a particularly nasty environmental hazard. Don't
throw that mercury compound down the drain, but dispose of it properly
at your local recycling center. OK?
Date: Fri, 24 Oct 2003 17:21:01 -0700
From: Phil Bunch <pbunch at cox_net>
Subject: [APD] Ammo Lock and Ammonia Tests
To: "'aquatic-plants at actwin_com'" <aquatic-plants at actwin_com>
Can using Ammo Lock cause artificially high ammonia tests? I understand
that it causes the NH3 to be converted to NH4 and hence tests may not
decline immediately. My ammonia test this afternoon reads 2 ppm which is
causing me some concern even though the ions should all be in the NH4 from.
The fish show no signs of distress, they have very good color, no gill
rubbing and no other symptoms. Also nitrite is testing at or very near
zero. The water smells good. I'm going to do a 50% water change and add
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