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Re: CO2 & Water Changes

In a message dated 1/14/99 3:51:05 AM Eastern Standard Time, Aquatic-Plants-
Owner at actwin_com writes:

> Date: Wed, 13 Jan 1999 14:59:21 -0600
>  From: "Beard, Kelly" <KBeard at comdata_com>
>  Subject: Re: CO2 from tapwater
>  I have informed individuals that the (constant influs of fresh water from
>  the
>  tap) concept could be bad. How would one monitor and control the excess
>  ammonia, chlorine, etc from the tap water?
>  I've never seen such a system, but there is a product called the Automatic
>  Water Changer.  It says on the package that it 'instantly dispels
>  I imagine that it would also dispel CO2, since the water comes out in a
>  stream and hits the water surface.  

I have seen many systems that utilize this method. One can have a central sump
system and continuously feed in a small amount of fresh tap water, in this
system by the time it hits the tanks many of the gases would have dissipated.

I have seen a similar system which uses sprinklers on a timing system which
pump in fresh tap water into the tanks for 5 minutes 3 to 4 times a day,
depending on the time one sets the timer for, you can do 10% to 50% water
changes daily. I have been told by many people that a water change straight
from the tap which equals less than 20% of the total tank volume, would not
create any problems with chlorine or other gases. This water of course is
temperature mixed before entering the tanks.
I have used this system and have had no problems with gases of any type.


John van Rompu