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RE: [APD] Iron levels, UGH, Anemic in Boston ;-)



I've found the Hach kit easyenough to read even at low
levels around 0.05 ppm.

Scott H.
--- Gregg <GSTEARNS at neb_rr.com> wrote:
>  Dave,
> 
> The iron test kits you find are not only hard to
> read...but not very
> accurate either.  I've seen reports of people triple
> dosing a bucket of
> water, and still the test reads 0.00ppm of Iron...yet
> they have thread algae
> in their tank.
> 
> A LaMotte kit might be able to read iron, but as I
> haven't used it I can't
> vouche for it.
> 
> --
> Gregg
> gstearns at neb_rr.com
> 
> -----Original Message-----
> From:
> aquatic-plants-bounces+gstearns=neb_rr.com at actwin.com
>
[mailto:aquatic-plants-bounces+gstearns=neb_rr.com at actwin.com]
> On Behalf Of
> David Terrell
> Sent: Saturday, February 21, 2004 8:25 PM
> To: aquatic plants digest
> Subject: [plant_list] [APD] Iron levels, UGH, Anemic in
> Boston ;-)
> 
> I've been trying to follow the Sears/Colin paper on how
> to dose these
> fertilizers I've had for a few months.  I bought dry
> ferts from Greg and
> made a mix just as the directions say, but I didn't
> notice much change, and
> I never noticed my iron levels increase at all.  I have a
> red sea iron test
> kit (as I've complained before), the first step on the
> test chart is 0.1ppm
> and is slightly more grey then light blue (which is
> difficult for me to
> see).
> 
> Anyway, I've been dosing just a mix of plantex in water
> (100ml instead of
> 300ml mix) and I just did a water change and calculated
> what amount of the
> mix I would need to make the target water 0.1ppm.  I've
> never seen this test
> change colors, am I doing something wrong?  The tank is
> pretty heavily
> planted, I put 2tsp per day of this mix, and added 2tsp
> to the changed
> water.  I did a test after about an hour and the iron is
> undetectable, it
> would seem just after adding iron to the tank it should
> see SOMETHING!  I
> want to make sure I can get a maintained level of 0.1ppm
> Iron before I start
> dosing Potassium Sulfate to the tank, and then Potassium
> Nitrate.  I'm
> trying to do this by the book and I can't seem to even
> get past the first
> step.
> 
> Help :-/
> 
> -Dave T.
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=====
S. Hieber

-  -   -   -   -   -   -   -
Amano Returns
to the AGA Annual Convention
Nov 2004 -- Baltimore

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