CO2 or carbo plus on big tank (132 gallons)

[flupke]

Hi,

i'm was almost set on buying a CO2 gas unit when my LFS guy
mentioned carbo plus. He dropped of my new tank and thus i'm
going to buy a C02 system. (I finally gave up the idea of DIY
as it seems to much hassle for a 132 gal tank)

Anyway, I've looked at several webpages, sales blabla and whatever
and it seems that the carbo plus system works but only for
smaller tanks < 50g.
A side effect (good or bad?) is that it apparently lowers kH too and
thus needs less C02 to achieve a good ppm of CO2.
Does a CO2 gas unit also lower kH? It seems that indeed for a larger
tank size, a gas unit is still the way to go.

Thanks for any info

[RedForeman ©®]

|| Hi,
||
|| i'm was almost set on buying a CO2 gas unit when my LFS guy
|| mentioned carbo plus. He dropped of my new tank and thus i'm
|| going to buy a C02 system. (I finally gave up the idea of DIY
|| as it seems to much hassle for a 132 gal tank)

DIY and CarboPlus are the same in the sense, they only work on smaller tanks
under 40g

Co2 ONLY lowers pH....

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[McEve]

"RedForeman ©®" > wrote in message
...
> || Hi,
> ||
> || i'm was almost set on buying a CO2 gas unit when my LFS guy
> || mentioned carbo plus. He dropped of my new tank and thus i'm
> || going to buy a C02 system. (I finally gave up the idea of DIY
> || as it seems to much hassle for a 132 gal tank)
>
> DIY and CarboPlus are the same in the sense, they only work on smaller
> tanks
> under 40g
>
> Co2 ONLY lowers pH....
>

This is what I was told too when I start looking for a CO2 setup. I was also
told that I had to make sure the KH was 4 or above, or the result would be a
PH crash.

I'm sure somebody more experienced than me can fill you out more on the
details, I'm still learning!

[flupke]

"flupke" > schreef in bericht
...

Thanks for the info Red & McEve

[Ali Day]

> This is what I was told too when I start looking for a CO2 setup.

Not a chance. As Red says only PH changes

> I was also
> told that I had to make sure the KH was 4 or above, or the result would be
a
> PH crash.

Now that is true, if you have very sof****er and you want to inject CO2 make
sure the kit you have is high quality. I found with an old kit that
temperature variations would alter the amount of CO2 being injected.

> I'm sure somebody more experienced than me can fill you out more on the
> details, I'm still learning!

After doing a bit of shopping around, I was paying 30euros/dollars for a
half kilo bottle of CO2 from my LFS. I now have a 6kg bottle from a brewers
supplier for the same price. They didn't supply the valve assembly, so I got
one off a friend from a welding kit. Works brilliantly at a fraction of the
price.

[Joe Ferenchik]

On Tue, 07 Sep 2004 22:48:45 GMT, "flupke"
> wrote:

>Hi,
>
>i'm was almost set on buying a CO2 gas unit when my LFS guy
>mentioned carbo plus. He dropped of my new tank and thus i'm
>going to buy a C02 system. (I finally gave up the idea of DIY
>as it seems to much hassle for a 132 gal tank)
>
>Anyway, I've looked at several webpages, sales blabla and whatever
>and it seems that the carbo plus system works but only for
>smaller tanks < 50g.
>A side effect (good or bad?) is that it apparently lowers kH too and
>thus needs less C02 to achieve a good ppm of CO2.
>Does a CO2 gas unit also lower kH? It seems that indeed for a larger
>tank size, a gas unit is still the way to go.
>
>Thanks for any info
>


Hi there,

I purchased a carbo for my 75 gallon tank. Even running wide open it
never put out enough of a chemical reaction to really get the co2
concentration up to where it needed to be for a tank that size. The
reaction plate is a mess after it's served it's useful life too.
Although initially more expensive, I'd recommend you get a compressed
cylinder setup. You'll save money in the long run since cylinder
fillups only cost a fraction of what the reaction plates for the carbo
cost. The cylinder will last a lot longer too. With the reaction plate
set at it's most reactive setting I think that it only lasted about a
month, or maybe a month and a half. With a 10 pound cylinder set at
about 3 bubbles per second you'll get months of use before needing a
refill. That's with it bubbling 24/7. IF you have stable water
parameters, you can put the cylinder on a solenoid so that it stops
bobbling when the lights go out. In that fashion I'm sure you could
probably get 6 months out of a cylinder before needing a refill. You
just need to make sure your water has enough buffering to avoid a ph
crash.

Joe