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Old 22-05-2003, 07:44 PM
K. Elliot
 
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Default diy co2 - ph crash?

I currently have a 55g freshwater tank with two clown plecos and 5
bleeding heart tetras. In addition to the fish I have recently added
few live plants (green cabomba, moneywort, anachris) of which I have
been told that my lighting conditions should be sufficient.

I have been reading about diy CO2 injection. My understanding is that
with enough light & nutrients CO2 injection will help plant growth. I
would like to try this but I am concerned that my pH will crash.

My KH is two degrees, the pH at 7.2. I have read many conflicting
reports about when a pH crash might occur.

Can anyone help clear this up? I dont want to risk my fish health in
order to help the plants.

Also, if you have a recipe for the CO2 system I would greatly
appreciate it.

Thanks for any advice you can afford.

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Old 22-05-2003, 10:56 PM
-=Almazick=-
 
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Default diy co2 - ph crash?

use Baking Soda in DIY CO2 to keep your PH/KH up




"K. Elliot" wrote in message
om...
I currently have a 55g freshwater tank with two clown plecos and 5
bleeding heart tetras. In addition to the fish I have recently added
few live plants (green cabomba, moneywort, anachris) of which I have
been told that my lighting conditions should be sufficient.

I have been reading about diy CO2 injection. My understanding is that
with enough light & nutrients CO2 injection will help plant growth. I
would like to try this but I am concerned that my pH will crash.

My KH is two degrees, the pH at 7.2. I have read many conflicting
reports about when a pH crash might occur.

Can anyone help clear this up? I dont want to risk my fish health in
order to help the plants.

Also, if you have a recipe for the CO2 system I would greatly
appreciate it.

Thanks for any advice you can afford.



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Old 23-05-2003, 01:08 AM
Dave Millman
 
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Default diy co2 - ph crash?

KH is used up slowly in a planted tank. Since pH falls as KH falls, pH can
crash when KH falls significantly below 1.0.

You can easily raise your KH to a comfortable 3 or 4 with baking soda if
you have an issue.

Start your reading he

http://www.csd.net/~cgadd/aqua/art_plant_co2chart.htm

http://www.qsl.net/w2wdx/aquaria/diyco2.html



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