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re: Bubbling of plants (fwd)

---------- Forwarded message ----------
Date: Fri, 16 Jan 1998 10:37:46 -0600
From: Steve Garinger <sgaringer at pivotint_com>
To: aquatic-plants-owner at actwin_com
Subject: re: Bubbling of plants

 I believe that the bubbling you are seeing is due to O2 saturation.  I
base this on observation, rather than on chemical testing.  I used to
run a trickle filter on my 55.  The plants were pearling most of the
time; I even saw occasional pearling when I was not supplementing the
CO2.  (Note:  I was injecting the CO2 into the return pump.)  Trickle
filters are known to create high O2 sat and to drive off CO2.  I have
now removed the trickle filter, and just have a sponge and power head,
primarily so that I can inject the CO2 into the power head.  I get
excellent plant growth, much better than before, but I only see lots of
pearling after water changes.

If you want lots of pearling, I would suggest a trickle filter or oxygen
reactor, to increase your O2 sat, coupled with higher than normal CO2,
to compensate for the loss of CO2 in the reactor or filter.

Steve Garinger

> Date: Thu, 15 Jan 1998 02:33:36 +0800
> From: Raymond Yeo
> I have read a few articles about bubbling of plants(pearling effect)
> from the list a number of times and i find it rather amusing to see my
> own plants bubble after water changes. My question is : Some people say
> it's due to the satuaration of O2 from the tap water that causes it to
> bubble .Some say that it's the satuaration of CO2 from the tap water
> .The others argue that's it's due to the pressure in the tap water that
> causes the bubbling. I am very confused about this. can i get some
> enlightenment?