Plenum...Y/N?

[Dan Norgard]

Can someone please tell me why I do or don't want a Plenum system? Are
there any definitive studies available?
Thanks,

Dan

[Marc Levenson]

I'd suggest you do a google search for that topic.

I just run a DSB and have no complaints.

Marc


Dan Norgard wrote:

> Can someone please tell me why I do or don't want a Plenum system? Are
> there any definitive studies available?
> Thanks,
>
> Dan

--
Personal Page: http://www.sparklingfloorservice.com/oanda/index.html
Business Page: http://www.sparklingfloorservice.com
Marine Hobbyist: http://www.melevsreef.com

[Richard Ryerson]

I have been told that after a few years of use, the plenum starts dumping
hydrogen sulfide into the tank.

Dur to the anerobic conditions in the plenum, these acids build up Once it
becomes saturated it starts going into the tank.

http://www.planet-reef.com/jaubert.htm

A quote:
Anaerobic conditions would create Hydrogen Sulphide which is totally
undesirable and would result in the stressing of the tank life. On the plus
side the system is believe to naturally dissolve calcium, magnesium, and
strontium at natural levels within the tank with no supplemental additions.
It has also been postulated that the plenum or void space acts as a nutrient
sink preventing some undesirable nutrients from entering and dissolving in
the water column.

But if you think about it, these same conditions would be apparent in a DSB
system. The DSB creates anerobic conditions at the bottom of the substrate
too. I guess the keys to a DSB is the lack of water (or amount of water) at
the bottom available to create hydrogen sulfide.

Personally, I like the DSB. Less of a chance that a section of plastic or
screen collapsing due to whatever reason and creating a disaster in my
tank(s).

-Rick

"Dan Norgard" > wrote in message
...
> Can someone please tell me why I do or don't want a Plenum system? Are
> there any definitive studies available?
> Thanks,
>
> Dan
>
>

[Dan Norgard]

Thanks...that's enough for me! Now to find a Dumptruck 1/2 full of
Southdown....
Dan


"Richard Ryerson" > wrote in message
...
I have been told that after a few years of use, the plenum starts dumping
hydrogen sulfide into the tank.

Dur to the anerobic conditions in the plenum, these acids build up Once it
becomes saturated it starts going into the tank.

http://www.planet-reef.com/jaubert.htm

A quote:
Anaerobic conditions would create Hydrogen Sulphide which is totally
undesirable and would result in the stressing of the tank life. On the plus
side the system is believe to naturally dissolve calcium, magnesium, and
strontium at natural levels within the tank with no supplemental additions.
It has also been postulated that the plenum or void space acts as a nutrient
sink preventing some undesirable nutrients from entering and dissolving in
the water column.

But if you think about it, these same conditions would be apparent in a DSB
system. The DSB creates anerobic conditions at the bottom of the substrate
too. I guess the keys to a DSB is the lack of water (or amount of water) at
the bottom available to create hydrogen sulfide.

Personally, I like the DSB. Less of a chance that a section of plastic or
screen collapsing due to whatever reason and creating a disaster in my
tank(s).

-Rick

"Dan Norgard" > wrote in message
...
> Can someone please tell me why I do or don't want a Plenum system? Are
> there any definitive studies available?
> Thanks,
>
> Dan
>
>

[Mort]

"Dan Norgard" > wrote in message
...
> Thanks...that's enough for me! Now to find a Dumptruck 1/2 full of
> Southdown....
> Dan


LOL, how big of a tank are you using?!?

[Dragon Slayer]

you should see the pic in the middle of Anthony Calfo's "Book Of Coral
Propagation". it's of a semi trailer with 48,000 lbs of sand for his
propagation tanks. seams it is considerably cheaper when bought by the ton
:)

kc

"Dan Norgard" > wrote in message
...
> Thanks...that's enough for me! Now to find a Dumptruck 1/2 full of
> Southdown....
> Dan
>
>
> "Richard Ryerson" > wrote in message
> ...
> I have been told that after a few years of use, the plenum starts dumping
> hydrogen sulfide into the tank.
>
> Dur to the anerobic conditions in the plenum, these acids build up Once it
> becomes saturated it starts going into the tank.
>
> http://www.planet-reef.com/jaubert.htm
>
> A quote:
> Anaerobic conditions would create Hydrogen Sulphide which is totally
> undesirable and would result in the stressing of the tank life. On the
plus
> side the system is believe to naturally dissolve calcium, magnesium, and
> strontium at natural levels within the tank with no supplemental
additions.
> It has also been postulated that the plenum or void space acts as a
nutrient
> sink preventing some undesirable nutrients from entering and dissolving in
> the water column.
>
> But if you think about it, these same conditions would be apparent in a
DSB
> system. The DSB creates anerobic conditions at the bottom of the substrate
> too. I guess the keys to a DSB is the lack of water (or amount of water)
at
> the bottom available to create hydrogen sulfide.
>
> Personally, I like the DSB. Less of a chance that a section of plastic or
> screen collapsing due to whatever reason and creating a disaster in my
> tank(s).
>
> -Rick
>
> "Dan Norgard" > wrote in message
> ...
> > Can someone please tell me why I do or don't want a Plenum system? Are
> > there any definitive studies available?
> > Thanks,
> >
> > Dan
> >
> >
>
>
>

[mike and Linda]

I say Yes tothe plenum!!

I have used the JABERT system and have found that my tanks are doing better
because of the plenum system. I did a lot of research and found that
plenums can be controversial, but the JAUBERT system when built to spec.
provides a more stable enviroment with less fluctuations in chemistry
(consider the calcium carbonate buffer). It is more natural.

My 2 cents!

"Dan Norgard" > wrote in message
...
> Can someone please tell me why I do or don't want a Plenum system? Are
> there any definitive studies available?
> Thanks,
>
> Dan
>
>