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[APD] Re: Ammo Lock and Ammonia Tests
That ingredient statement doesn't fit with my concept of how "Ammo Lock
2" actually works. Sounds like you are *adding* a stiff dose of
nitrogen, with that stuff! [Amine is a marketing disguise word for
organic ammonium compounds. :-)]
Since we are way out of my range of chemical expertise, let's hope Greg
will chime in and straighten us all out.
A quick web search disclosed nothing about the older "Ammo Lock"
product. It appears to no longer be sold.
Date: Sun, 26 Oct 2003 07:58:40 -0800
From: Phil Bunch <pbunch at cox_net>
Subject: RE: [APD] Re: Ammo Lock and Ammonia Tests
To: "'aquatic plants digest'" <aquatic-plants at actwin_com>
My bottle of Ammo Lock does not include the 2 designation. Given the
information provided on the bottle it appears to work the same way as Ammo
Lock 2. The only indication of ingredients is "Contains: No less than 17%
Aliphatic Amine Salts".
On Sunday, October 26, 2003 07:40, Joanne Damon [SMTP:Joanne000 at webtv_net] wrote:
Try the same test using a salycilate ammonium test and see if
ammonia/ammonium isn't below detectable levels.
Do you know of hand what brand use salycilate?
Beside the AP one that Phil mentioned, I have only used the Kordon
salycilate test for ammonia/ammonium.
Don't bother buying any, for the sensitivity just is not there. The
Spotte reference that Scott quoted says that 0.1 ppm of total NH4+ is
the maximum that should be tolerated (p. 103). That is less than half
the first color step on the LFS test products, either Nesler or salycilate.
On P. 106, he points out that irreversible damage to fingerling gills
could happen at concentrations of ammonia as low as 1 ppb (0.001 ppm)!
My experience is that most stunted fish growth is due to subtle,
sub-lethal doses of ammonia, particularly in low oxygen situations. Good
plant growth, plenty of oxygen, good bio-filtration and frequent
modest-size water changes should keep ammonium/ammonia way below any
detectable levels. Since a proper salycilate test is very tedious and
time consuming, I just quit testing altogether, and use "Amquel" when
carbon filtering wasn't the answer. [I mean whole-house cartridge
filtration, not the useless chips sold at the LFS.]
Wright Huntley -- 760 872-3995 -- Rt. 001 Box K36, Bishop CA 93514
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