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Re: profile as substrate
salut jacques!
dis moi (oups...sorry), dites moi, d'ou etes vous exactement?
merci pour votre petite note perso ds votre dernier mail a la list.
a plus
FLI USA
Yvan Alleau
712 Kings boulevard
97330 Corvallis, Oregon
home # 738-0606
College of Oceanic and Atmospheric Sciences
Oregon State University
office (Burt 222) # 737-3649, to be used wisely !
yalleau@oce.orst.edu
"When you're far from everything, you're getting closer to the essential"
----- Original Message -----
From: "Jacques BESSON" <jbesson@club-internet.fr>
To: <apisto@listbox.com>
Sent: Wednesday, April 25, 2001 4:29 AM
Subject: Re: profile as substrate
> To be very accurate :
> - GH and GH don't concern all minerals but only : Béryllium, Calcium,
> Magnésium, Strontium ,Baryum, Radium ,( to Yvan Alleau : they are called
,in
> french, alcalino-terreux),in fact in our hobby :calcium and magnesium ;
don't
> forget magnesium : the GH of Malawi ( or an other big african lake, I've
> forgotten which) is based principally on magnesium.
> - TDS meter measures not all disolved substances but only ( that's enough)
> the total amount of ions ( for exemple : minerals like Fe++ and Fe+++ (
rust
> = Fe2O3/Fe3O4) or organic like acétic acid (vinegar) ).
> J.Besson
> M.LIEBANES a écrit:
>
> > Neither is telling lies, you're just misinterpreting the result!
> > GH and KH are "true" measures of water hardness, i.e. the content of
> > disolved MINERALS in the water, the TDS meter measures all disolved
> > substances in your wate, including non mineral elements, that can mean,
> > for example, the various forms of oxidised iron, various acidic
> > components etc. which is why you're getting what appear to be
> > conflicting results. Note that as you get closer, and into, your
> > substrate you should find that there are some widely varying results. I
> > would think that your measurements are pretty well fine, maybe still
> > a 'bit' hard, but certainly nothing to worry about and I wouldn't
> > expect your fish to have probs, it's just that Amazonian water can have
> > 0 hardness, something which can be difficult to reach and maintain
> > safely in an aquarium.
> > This is my understanding of the differences between TDS and hardness,
> > PLEASE correct me if I'm wrong, I hate to diseminate false info.
> > C:-)lin
> >
> > ----- Mensaje Original -----
> > De: "Al Smith" <alsmith1@mindspring.com>
> > Fecha: Miercoles, Abril 25, 2001 1:22 am
> > Asunto: Re: profile as substrate
> >
> > >
> > > ----- Original Message -----
> > > From: "J Miller" <ruddigar_99@yahoo.com>
> > > To: "Apisto List" <apisto@listbox.com>
> > > Sent: Tuesday, April 24, 2001 7:25 AM
> > > Subject: Re: profile as substrate
> > >
> > >
> > > > Al,
> > > >
> > > > One of my best planted tanks is a thirty five gallon tank that has
> > > > been set up for about five years. The substrate is nothing but
> > > silica> gravel, about 3mm. The plants grow well with good light
> > > (about 80W
> > > > flourescent), and CO2, with a weekly addition of liquid
> > > fertilzer and
> > > > the odd Jobes plant spike.
> > > >
> > > > HTH
> > > >
> > > > J
> > > > >
> > > > > The aquatic planting soil is suppose to be the same stuff as
> > > the soil
> > > > > conditioner..the soil conditioner on the Shcultz page says it is
> > > > > inert
> > > > > also..also I just used a condutivity meter not a reagent kit...the
> > > > > stuff
> > > > > looks nice in the tank....but changing the water chemistry is not
> > > > > good.....just looking for something simple to grow some of the
> > > easy> > plants....looking for ideas from others who grow plants in
> > > soft water
> > > > > and do
> > > > > not go the super substrate method..if there is such a way...
> > > > >
> > > > > AL
> > >
> > > Hello Again:
> > > I just checked my water with 2 reagent kits 1, hagen 2,
> > > aquariumpharm.
> > >
> > > hagen gh=3 gd/h
> > > kh = 2.8 degrees hardness
> > >
> > > A. P. gh= 5 degrees
> > > kh= 4 degrees
> > > this kit has no refrence color as to where you
> > > stop..it just
> > > says when green...well is it lime green olive green or the first
> > > shade that
> > > resembles green...
> > >
> > > now my conductivity meter reads 350 ppm....or microsiems....
> > > do the reagent kits fall in line as in the reading from the meter...?
> > > reason being as I want to make a 75 gallon amazon biotope
> > > setup...plants,apistos,tetras,barbatus cories,zebra plecos and
> > > other misc. amazon fish...My
> > > problem is if the profile will alter my water....the readings
> > > above are from
> > > a tank with profile in it...plants growing like a jungle...Now is
> > > the TDs
> > > and conductivity meter reading my hardness or just any additives
> > > in the
> > > water...
> > > I do not want to use a sharp substrate like laterite as it raises
> > > hell on
> > > the barbatus barbs as they burrow in the substrate ..All in a
> > > nutshell my
> > > meters read hard water my kits read softer water...WHY...
> > >
> > > AL
> > >
> > >
> > >
> > >
> > >
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