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Re: Co2 Reactor

On Wed, 21 Jan 1998, T Borich wrote:

> From: T Borich <tborich at usa_net>
> Hi all,
> I have been using a DIY Co2 system for about a month now, and am seeing 
> some growth even though I have been feeding the Co2 into the intake of my 
> power filter (I could tell it wasn't working very well, big bubbles were 
> showing up in my filter).  So, I am now feeding the bubbles into a 
> plastic container that is floating at the top of the tank.  It can hold 
> 21/2 cups of gas and about 25+ cubic inches of surface area for gas 
> exchange.  Still, it is constantly full and practically all of the 
> bubbles escape.  Alas, I do not know what to do.
> Suggestions?

I also feed my CO2 into the intake of my power filter.  I'd recommend
using an airstone if you aren't already.  It releases much smaller
bubbles, making the job a lot easier for the motor on the filter, and more
efficient.  Also, I place my airstone so the bubbles are directly beneath
the intake.  There are no slits on the bottom of the intake, so the
bubbles are held underneath for a little before they find the edge and
bubble up, getting sucked up into the tube.  You may want to try this if
you have a Whisper.  I don't know how well mine is working (only had the
aquarium for about a week), but I don't see any bubbles in my filter.  I
bought Tetra's CO2 test kit to see how well it was working but was very
disappointed with it.  It doesen't give you a measure of anything, just if
you have "too much", "too little", or "just right" amount of CO2 for a
healthy aquarium.  What a waste of 6 bucks!  Anyway, I think I'll try
Darrell's suggestion of testing CO2 by using pH readings.

Matt Kowske
xc at innocent_com