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Marco Qualizza
Joined: 16 Aug 2007
Posts: 65
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 Posted: Wed Jul 02, 2003 4:56 pm Post subject: More Questions :-) |
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I'm currently reading Baensch's "The Marine Atlas", and now have a
couple of questions... 
1. Baensch strongly recommends aging freshly mixed SW for up to 6 weeks,
and definitely advises against using it right away. I was under the
impression that, with the current state of the art, freshly mixed SW is
safe to use as soon as the last crystal has dissolved. Is that just my
misunderstanding, or is it that MA is 10 years old?
2. The authors of MA *love* talking about redox potential, but I don't
think that I've seen any real discussion of it here -- usually the only
levels of interest are pH/SG/Amm./Nitrite/Nitrate/dK/dGH... Is that a
reflection of current technology (ie/ we've moved away from worrying
about redox), or is it lost art?
--
7y FW -- 33g & 55g
100 gallon reef-ready air tank. (Converting to reef)
Archived from group: rec>aquaria>marine>reefs |
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CapFusion
Joined: 16 Aug 2007
Posts: 155
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| Posted: Wed Jul 02, 2003 6:48 pm Post subject: Re: More Questions :-) |
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Man, I guess I seem to be the laziest Reefer around. What all this testing
and aging for so long? I might fall asleep waiting for it and forgotten
about it when wake up. If using RO[RO/DI] normally all those phosphate /
Nitrate ... etc should be at minimual or close to ~0. The only thing need to
worry are the PH / SG / Nitrate etc.... that mutch your tank parameter.
J/K
Normally test the salt mix couple of time and let it age couple of time and
see if it make a different. If couple of time are the same and constant get
the same result, you can skip it and put it in. But always check your water
chemistry first - ALWAYS test before putting into your tank. You never know
your cat / dog / roach migh tip-over something and into your mix.
CapFusion,...
"Marc Levenson" wrote in message@swbell.net...
>
>
> Marco Qualizza wrote:
>
> > I'm currently reading Baensch's "The Marine Atlas", and now have a
> > couple of questions...
> >
> > 1. Baensch strongly recommends aging freshly mixed SW for up to 6 weeks,
> > and definitely advises against using it right away. I was under the
> > impression that, with the current state of the art, freshly mixed SW is
> > safe to use as soon as the last crystal has dissolved. Is that just my
> > misunderstanding, or is it that MA is 10 years old?
>
> Aging water for 24 hours usually sufficient. It allows ammonia in the
water
> source (AND SALT) to evaporate. It allows the water to stablize the pH
and the
> Calcium levels.
>
> However, as soon as my temp and sg match, I'm using it. I've tried the
aging
> thing, and it tested the same as when it was ready in the first place.
>
> > 2. The authors of MA *love* talking about redox potential, but I don't
> > think that I've seen any real discussion of it here -- usually the only
> > levels of interest are pH/SG/Amm./Nitrite/Nitrate/dK/dGH... Is that a
> > reflection of current technology (ie/ we've moved away from worrying
> > about redox), or is it lost art?
>
> Some people use ORB meters, and some test for Oxygen in the water. I
don't know
> any saltwater owners that test for dGH, but most do test dKH or meq/l.
>
> Marc
>
>
> --
> Personal Page: http://www.sparklingfloorservice.com/oanda/index.html
> Business Page: http://www.sparklingfloorservice.com
> Marine Hobbyist: http://www.melevsreef.com
>
> |
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Marc Levenson
Joined: 16 Aug 2007
Posts: 667
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| Posted: Thu Jul 03, 2003 1:16 am Post subject: Re: More Questions :-) |
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Marco Qualizza wrote:
> I'm currently reading Baensch's "The Marine Atlas", and now have a
> couple of questions...
>
> 1. Baensch strongly recommends aging freshly mixed SW for up to 6 weeks,
> and definitely advises against using it right away. I was under the
> impression that, with the current state of the art, freshly mixed SW is
> safe to use as soon as the last crystal has dissolved. Is that just my
> misunderstanding, or is it that MA is 10 years old?
Aging water for 24 hours usually sufficient. It allows ammonia in the water
source (AND SALT) to evaporate. It allows the water to stablize the pH and the
Calcium levels.
However, as soon as my temp and sg match, I'm using it. I've tried the aging
thing, and it tested the same as when it was ready in the first place.
> 2. The authors of MA *love* talking about redox potential, but I don't
> think that I've seen any real discussion of it here -- usually the only
> levels of interest are pH/SG/Amm./Nitrite/Nitrate/dK/dGH... Is that a
> reflection of current technology (ie/ we've moved away from worrying
> about redox), or is it lost art?
Some people use ORB meters, and some test for Oxygen in the water. I don't know
any saltwater owners that test for dGH, but most do test dKH or meq/l.
Marc
--
Personal Page: http://www.sparklingfloorservice.com/oanda/index.html
Business Page: http://www.sparklingfloorservice.com
Marine Hobbyist: http://www.melevsreef.com |
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Marco Qualizza
Joined: 16 Aug 2007
Posts: 65
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| Posted: Thu Jul 03, 2003 1:32 pm Post subject: Re: More Questions :-) |
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In article , CapFusion..@hotmail..com
says...
> Man, I guess I seem to be the laziest Reefer around. What all this testing
> and aging for so long? I might fall asleep waiting for it and forgotten
> about it when wake up. If using RO[RO/DI] normally all those phosphate /
> Nitrate ... etc should be at minimual or close to ~0. The only thing need to
> worry are the PH / SG / Nitrate etc.... that mutch your tank parameter.
*grin* probably the same effect as with a parent and first child...
>
> J/K
>
> Normally test the salt mix couple of time and let it age couple of time and
> see if it make a different. If couple of time are the same and constant get
> the same result, you can skip it and put it in. But always check your water
> chemistry first - ALWAYS test before putting into your tank. You never know
> your cat / dog / roach migh tip-over something and into your mix.
*nod* That sounds like really good advice.
>
> CapFusion,...
>
> "Marc Levenson" wrote in message
> @swbell.net...
> >
> >
> > Marco Qualizza wrote:
> >
> > > I'm currently reading Baensch's "The Marine Atlas", and now have a
> > > couple of questions...
> > >
> > > 1. Baensch strongly recommends aging freshly mixed SW for up to 6 weeks,
> > > and definitely advises against using it right away. I was under the
> > > impression that, with the current state of the art, freshly mixed SW is
> > > safe to use as soon as the last crystal has dissolved. Is that just my
> > > misunderstanding, or is it that MA is 10 years old?
> >
> > Aging water for 24 hours usually sufficient. It allows ammonia in the
> water
> > source (AND SALT) to evaporate. It allows the water to stablize the pH
> and the
> > Calcium levels.
> >
> > However, as soon as my temp and sg match, I'm using it. I've tried the
> aging
> > thing, and it tested the same as when it was ready in the first place.
> >
> > > 2. The authors of MA *love* talking about redox potential, but I don't
> > > think that I've seen any real discussion of it here -- usually the only
> > > levels of interest are pH/SG/Amm./Nitrite/Nitrate/dK/dGH... Is that a
> > > reflection of current technology (ie/ we've moved away from worrying
> > > about redox), or is it lost art?
> >
> > Some people use ORB meters, and some test for Oxygen in the water. I
> don't know
> > any saltwater owners that test for dGH, but most do test dKH or meq/l.
--
7y FW -- 33g & 55g
100 gallon reef-ready air tank. (Converting to reef) |
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Marco Qualizza
Joined: 16 Aug 2007
Posts: 65
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| Posted: Thu Jul 03, 2003 1:37 pm Post subject: Re: More Questions :-) |
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In article , melev@swbell.net says...
>
>
> Marco Qualizza wrote:
>
> > I'm currently reading Baensch's "The Marine Atlas", and now have a
> > couple of questions...
> >
> > 1. Baensch strongly recommends aging freshly mixed SW for up to 6 weeks,
> > and definitely advises against using it right away. I was under the
> > impression that, with the current state of the art, freshly mixed SW is
> > safe to use as soon as the last crystal has dissolved. Is that just my
> > misunderstanding, or is it that MA is 10 years old?
>
> Aging water for 24 hours usually sufficient. It allows ammonia in the water
> source (AND SALT) to evaporate. It allows the water to stablize the pH and the
> Calcium levels.
>
> However, as soon as my temp and sg match, I'm using it. I've tried the aging
> thing, and it tested the same as when it was ready in the first place.
*nod* Ok, that's more or less what I thought. Thanks.
>
> > 2. The authors of MA *love* talking about redox potential, but I don't
> > think that I've seen any real discussion of it here -- usually the only
> > levels of interest are pH/SG/Amm./Nitrite/Nitrate/dK/dGH... Is that a
> > reflection of current technology (ie/ we've moved away from worrying
> > about redox), or is it lost art?
>
> Some people use ORB meters, and some test for Oxygen in the water. I don't know
> any saltwater owners that test for dGH, but most do test dKH or meq/l.
Here I'm slightly confused... Did you answer my question? Is measuring
oxygen the same as measuring redox? All I can remember about redox is
that it means "reduction/oxidization", and refers to your tank's
capacity to reduce NH3/NH4 -> N02 -> N03, and then oxidize N03 -> N2...
But I don't know how that would be measured...
And, yes, thanks for the clarification. I did mean dKH -- not sure
where dGH came from.
>
> Marc
>
>
> --
> Personal Page: http://www.sparklingfloorservice.com/oanda/index.html
> Business Page: http://www.sparklingfloorservice.com
> Marine Hobbyist: http://www.melevsreef.com
>
>
>
--
7y FW -- 33g & 55g
100 gallon reef-ready air tank. (Converting to reef) |
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Marco Qualizza
Joined: 16 Aug 2007
Posts: 65
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| Posted: Thu Jul 03, 2003 5:10 pm Post subject: Re: More Questions :-) |
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*nod* I can see what you mean... I'm actually starting to get put-off by
how subjective the authors make everything seem... But, heck, as my dad
used to say, "You can learn something of value from anything." (And I
haven't gotten into the actual fauna/flora descriptions yet...)
In article , Tlyfreee!
k@mn.rr.com says...
> I read that book and sold it I believe the author to be dated in his
> approach to marine animal husbandry, and the book has just too much outdated
> info to be usefull today. I was dissapointed with the whole series fresh and
> salt and I paid a pretty penny for them, and I sold them for pennys.
> Good Luck,
> Toy
> "Marco Qualizza" wrote in message
> @news1.sympatico.ca...
> > I'm currently reading Baensch's "The Marine Atlas", and now have a
> > couple of questions...
> >
> > 1. Baensch strongly recommends aging freshly mixed SW for up to 6 weeks,
> > and definitely advises against using it right away. I was under the
> > impression that, with the current state of the art, freshly mixed SW is
> > safe to use as soon as the last crystal has dissolved. Is that just my
> > misunderstanding, or is it that MA is 10 years old?
> >
> > 2. The authors of MA *love* talking about redox potential, but I don't
> > think that I've seen any real discussion of it here -- usually the only
> > levels of interest are pH/SG/Amm./Nitrite/Nitrate/dK/dGH... Is that a
> > reflection of current technology (ie/ we've moved away from worrying
> > about redox), or is it lost art?
> >
> > --
> > 7y FW -- 33g & 55g
> > 100 gallon reef-ready air tank. (Converting to reef)
>
>
>
--
7y FW -- 33g & 55g
100 gallon reef-ready air tank. (Converting to reef) |
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Toyfreek
Joined: 16 Aug 2007
Posts: 6
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| Posted: Thu Jul 03, 2003 7:27 pm Post subject: Re: More Questions :-) |
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I read that book and sold it I believe the author to be dated in his
approach to marine animal husbandry, and the book has just too much outdated
info to be usefull today. I was dissapointed with the whole series fresh and
salt and I paid a pretty penny for them, and I sold them for pennys.
Good Luck,
Toy
"Marco Qualizza" wrote in message@news1.sympatico.ca...
> I'm currently reading Baensch's "The Marine Atlas", and now have a
> couple of questions...
>
> 1. Baensch strongly recommends aging freshly mixed SW for up to 6 weeks,
> and definitely advises against using it right away. I was under the
> impression that, with the current state of the art, freshly mixed SW is
> safe to use as soon as the last crystal has dissolved. Is that just my
> misunderstanding, or is it that MA is 10 years old?
>
> 2. The authors of MA *love* talking about redox potential, but I don't
> think that I've seen any real discussion of it here -- usually the only
> levels of interest are pH/SG/Amm./Nitrite/Nitrate/dK/dGH... Is that a
> reflection of current technology (ie/ we've moved away from worrying
> about redox), or is it lost art?
>
> --
> 7y FW -- 33g & 55g
> 100 gallon reef-ready air tank. (Converting to reef) |
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Marco Qualizza
Joined: 16 Aug 2007
Posts: 65
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| Posted: Fri Jul 04, 2003 1:00 pm Post subject: Re: More Questions :-) |
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In article ,
mqualizza@ie-engine.com says...
>
> Here I'm slightly confused... Did you answer my question? Is measuring
> oxygen the same as measuring redox? All I can remember about redox is
> that it means "reduction/oxidization", and refers to your tank's
> capacity to reduce NH3/NH4 -> N02 -> N03, and then oxidize N03 -> N2...
> But I don't know how that would be measured...
My bad. NH3 -> NO2 -> NO3 is oxidization. N03 -> N2 is reduction. I
could try to make a stab at the complete equations, but I'll leave that
up to the Oracle.
--
7y FW -- 33g & 55g
100 gallon reef-ready air tank. (Converting to reef) |
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Boomer
Joined: 16 Aug 2007
Posts: 91
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| Posted: Fri Jul 04, 2003 4:01 pm Post subject: Re: More Questions :-) |
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That's close enough for "government work
No, REDOX is not the same thing as O2, they are not realty related. However, a higher
REDOX usually shows higher O2 or vise-versa levels. REDOX is more closely related to
changes in pH but it is not the same either and you will see ready shifts with changing
pH. REDOX is measured in millivolts (mV), as is pH (which is converted to a pH
value).Oxidation is also somewhat confusing.Although it is often associated with or
reactions take place with O2, there are other reactions that don't. Oxidation is when an
ion looses an electron and reduction is when it gains an electron. The higher the steady
REDOX the less contaminates there are or to say it another way an indication of the
"cleanliness" of the water. Two tanks could have the same pH and O2 but a different REDOX.
A simple REDOX reaction, without O2
Cl2 (1 Chlorine gas molecule) + 2I- (2 iodide ions) ----> 2Cl- (chloride ions) + I2
(Iodine)
with Oxygen
you know this one, Steel + O2/water ----> Rust, an oxidized red iron or;
Fe + O2 + H20 ----> Fe2O3( red iron oxide, with water in it = rust) + H . I shortened
this up it is much longer
--
Boomer
Want to talk chemistry ? The Reef Chemistry Forum
http://www.reefcentral.com/vbulletin/index.php
Want to See More ?
Please Join Our Growing Membership
www.coralrealm.com
If You See Me Running You Better Catch-Up
"Marco Qualizza" wrote in message@news1.sympatico.ca...
: In article ,
: mqualizza@ie-engine.com says...
: >
: > Here I'm slightly confused... Did you answer my question? Is measuring
: > oxygen the same as measuring redox? All I can remember about redox is
: > that it means "reduction/oxidization", and refers to your tank's
: > capacity to reduce NH3/NH4 -> N02 -> N03, and then oxidize N03 -> N2...
: > But I don't know how that would be measured...
:
: My bad. NH3 -> NO2 -> NO3 is oxidization. N03 -> N2 is reduction. I
: could try to make a stab at the complete equations, but I'll leave that
: up to the Oracle.
:
: --
: 7y FW -- 33g & 55g
: 100 gallon reef-ready air tank. (Converting to reef) |
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Marco Qualizza
Joined: 16 Aug 2007
Posts: 65
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| Posted: Fri Jul 04, 2003 7:14 pm Post subject: Re: More Questions :-) |
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*images of running for government with the slogan "Reduce! Oxidize!"*
So, redox is measured in mV, and can be used as an indication of the
amount of contaminates in the water. Is it something that I should
worry about? At this point, I think that probably not -- it can
indicate whether or not your water is polluted, but not by what... So,
standard test kits would be much more helpful.
Am I wrong in assuming that I can leave redox in the same pile as
plenums: good to know about, but there are other solutions? Or is it
one of the esoteric things that I'll probably pick up as I grow more
familiar and experienced with marine aquaria? (Not that the two are
mutually exclusive...)
Thanks for the info, Boomer.
In article , wcwing@chartermi.net
says...
> That's close enough for "government work
>
> No, REDOX is not the same thing as O2, they are not realty related. However, a higher
> REDOX usually shows higher O2 or vise-versa levels. REDOX is more closely related to
> changes in pH but it is not the same either and you will see ready shifts with changing
> pH. REDOX is measured in millivolts (mV), as is pH (which is converted to a pH
> value).Oxidation is also somewhat confusing.Although it is often associated with or
> reactions take place with O2, there are other reactions that don't. Oxidation is when an
> ion looses an electron and reduction is when it gains an electron. The higher the steady
> REDOX the less contaminates there are or to say it another way an indication of the
> "cleanliness" of the water. Two tanks could have the same pH and O2 but a different REDOX.
>
> A simple REDOX reaction, without O2
>
> Cl2 (1 Chlorine gas molecule) + 2I- (2 iodide ions) ----> 2Cl- (chloride ions) + I2
> (Iodine)
>
> with Oxygen
>
> you know this one, Steel + O2/water ----> Rust, an oxidized red iron or;
>
> Fe + O2 + H20 ----> Fe2O3( red iron oxide, with water in it = rust) + H . I shortened
> this up it is much longer
>
> --
> Boomer
>
> Want to talk chemistry ? The Reef Chemistry Forum
> http://www.reefcentral.com/vbulletin/index.php
>
> Want to See More ?
> Please Join Our Growing Membership
> www.coralrealm.com
>
> If You See Me Running You Better Catch-Up
> "Marco Qualizza" wrote in message
> @news1.sympatico.ca...
> : In article ,
> : mqualizza@ie-engine.com says...
> : >
> : > Here I'm slightly confused... Did you answer my question? Is measuring
> : > oxygen the same as measuring redox? All I can remember about redox is
> : > that it means "reduction/oxidization", and refers to your tank's
> : > capacity to reduce NH3/NH4 -> N02 -> N03, and then oxidize N03 -> N2...
> : > But I don't know how that would be measured...
> :
> : My bad. NH3 -> NO2 -> NO3 is oxidization. N03 -> N2 is reduction. I
> : could try to make a stab at the complete equations, but I'll leave that
> : up to the Oracle.
> :
--
7y FW -- 33g & 55g
100 gallon reef-ready air tank. (Converting to reef) |
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Boomer
Joined: 16 Aug 2007
Posts: 91
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| Posted: Tue Jul 08, 2003 2:38 am Post subject: Re: More Questions :-) |
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No,we really don' use it anymore.Understanding redox what controls it and how things "seem
" to change it,when it really hasn't changed / say is a complex issue. In other words if
it is 350 mV and nothing has changed but the temp or pH the redox in mV will change.In
other words if the pH has gone from 8.3 to 8.1 the redox will go up, to say for the sake
of argument, to 365 mV but nothing has changes as far as the water being "cleaner", same
affect with just a temp change
"Am I wrong in assuming that I can leave redox in the same pile as
plenums: good to know about, but there are other solutions? "
Yes, unless you have all kinds of time to spend on what does what to the redox and why.
You can learn allot from studying the redox but it is a pain in the ass. For example, you
will notice that micro algae will disappear at one mV level and reappear at another V
level. Most well run reef tanks have a redox that is Ok to begin with. In the olden days
it was different, it was always to low, so we needed to get it up. Many reeftanks now run
300-400 mV which is just fine
--
Boomer
Want to talk chemistry ? The Reef Chemistry Forum
http://www.reefcentral.com/vbulletin/index.php
Want to See More ?
Please Join Our Growing Membership
www.coralrealm.com
If You See Me Running You Better Catch-Up
"Marco Qualizza" wrote in message@news1.sympatico.ca...
: *images of running for government with the slogan "Reduce! Oxidize!"*
:
: So, redox is measured in mV, and can be used as an indication of the
: amount of contaminates in the water. Is it something that I should
: worry about? At this point, I think that probably not -- it can
: indicate whether or not your water is polluted, but not by what... So,
: standard test kits would be much more helpful.
:
: Am I wrong in assuming that I can leave redox in the same pile as
: plenums: good to know about, but there are other solutions? Or is it
: one of the esoteric things that I'll probably pick up as I grow more
: familiar and experienced with marine aquaria? (Not that the two are
: mutually exclusive...)
:
: Thanks for the info, Boomer.
:
:
: In article , wcwing@chartermi.net
: says...
: > That's close enough for "government work
: >
: > No, REDOX is not the same thing as O2, they are not realty related. However, a higher
: > REDOX usually shows higher O2 or vise-versa levels. REDOX is more closely related to
: > changes in pH but it is not the same either and you will see ready shifts with
changing
: > pH. REDOX is measured in millivolts (mV), as is pH (which is converted to a pH
: > value).Oxidation is also somewhat confusing.Although it is often associated with or
: > reactions take place with O2, there are other reactions that don't. Oxidation is when
an
: > ion looses an electron and reduction is when it gains an electron. The higher the
steady
: > REDOX the less contaminates there are or to say it another way an indication of the
: > "cleanliness" of the water. Two tanks could have the same pH and O2 but a different
REDOX.
: >
: > A simple REDOX reaction, without O2
: >
: > Cl2 (1 Chlorine gas molecule) + 2I- (2 iodide ions) ----> 2Cl- (chloride ions) + I2
: > (Iodine)
: >
: > with Oxygen
: >
: > you know this one, Steel + O2/water ----> Rust, an oxidized red iron or;
: >
: > Fe + O2 + H20 ----> Fe2O3( red iron oxide, with water in it = rust) + H . I
shortened
: > this up it is much longer
: >
: > --
: > Boomer
: >
: > Want to talk chemistry ? The Reef Chemistry Forum
: > http://www.reefcentral.com/vbulletin/index.php
: >
: > Want to See More ?
: > Please Join Our Growing Membership
: > www.coralrealm.com
: >
: > If You See Me Running You Better Catch-Up
: > "Marco Qualizza" wrote in message
: > @news1.sympatico.ca...
: > : In article ,
: > : mqualizza@ie-engine.com says...
: > : >
: > : > Here I'm slightly confused... Did you answer my question? Is measuring
: > : > oxygen the same as measuring redox? All I can remember about redox is
: > : > that it means "reduction/oxidization", and refers to your tank's
: > : > capacity to reduce NH3/NH4 -> N02 -> N03, and then oxidize N03 -> N2...
: > : > But I don't know how that would be measured...
: > :
: > : My bad. NH3 -> NO2 -> NO3 is oxidization. N03 -> N2 is reduction. I
: > : could try to make a stab at the complete equations, but I'll leave that
: > : up to the Oracle.
: > :
:
: --
: 7y FW -- 33g & 55g
: 100 gallon reef-ready air tank. (Converting to reef) |
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Marco Qualizza
Joined: 16 Aug 2007
Posts: 65
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| Posted: Tue Jul 08, 2003 1:17 pm Post subject: Re: More Questions :-) |
|
|
Great to know. Again, thanks.
In article , wcwing@chartermi.net
says...
> No,we really don' use it anymore.Understanding redox what controls it and how things "seem
> " to change it,when it really hasn't changed / say is a complex issue. In other words if
> it is 350 mV and nothing has changed but the temp or pH the redox in mV will change.In
> other words if the pH has gone from 8.3 to 8.1 the redox will go up, to say for the sake
> of argument, to 365 mV but nothing has changes as far as the water being "cleaner", same
> affect with just a temp change
>
> "Am I wrong in assuming that I can leave redox in the same pile as
> plenums: good to know about, but there are other solutions? "
>
> Yes, unless you have all kinds of time to spend on what does what to the redox and why.
> You can learn allot from studying the redox but it is a pain in the ass. For example, you
> will notice that micro algae will disappear at one mV level and reappear at another V
> level. Most well run reef tanks have a redox that is Ok to begin with. In the olden days
> it was different, it was always to low, so we needed to get it up. Many reeftanks now run
> 300-400 mV which is just fine
>
> --
> Boomer
>
> Want to talk chemistry ? The Reef Chemistry Forum
> http://www.reefcentral.com/vbulletin/index.php
>
> Want to See More ?
> Please Join Our Growing Membership
> www.coralrealm.com
>
> If You See Me Running You Better Catch-Up
> "Marco Qualizza" wrote in message
> @news1.sympatico.ca...
> : *images of running for government with the slogan "Reduce! Oxidize!"*
> :
> : So, redox is measured in mV, and can be used as an indication of the
> : amount of contaminates in the water. Is it something that I should
> : worry about? At this point, I think that probably not -- it can
> : indicate whether or not your water is polluted, but not by what... So,
> : standard test kits would be much more helpful.
> :
> : Am I wrong in assuming that I can leave redox in the same pile as
> : plenums: good to know about, but there are other solutions? Or is it
> : one of the esoteric things that I'll probably pick up as I grow more
> : familiar and experienced with marine aquaria? (Not that the two are
> : mutually exclusive...)
> :
> : Thanks for the info, Boomer.
> :
> :
> : In article , wcwing@chartermi.net
> : says...
> : > That's close enough for "government work
--
7y FW -- 33g & 55g
100 gallon reef-ready air tank. (Converting to reef)
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