too much CO2? Not sure - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 11-12-2007, 06:19 PM Thread Starter
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too much CO2? Not sure

I am using two Red Sea CO2 Bio Systems in my 20 G tank.

I am using an XP1 filter with no surface agitation, except at night where I turn the spray bar toward the surface.

I am using a real time Red Sea CO2 indicator. IT is almost green it looks like, but kinda blue. Blue meaning insufficient CO2.

My fish are hanging out at the surface, doing a sipping action every now and again.

Too much CO2 or what? I wouldn't think the DIY system would produce enough CO2 to harm the fish.

What do you think? Thx
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post #2 of 3 (permalink) Old 11-13-2007, 01:06 PM
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What kind of liquid did you use in the CO2 indicator? Was it aquarium water? (yes, I know that is what the instructions say, but get your hands on a KH4 standard).
What kind of fish?
Is it only at night, or also during the day?
What kind, and how heavily planted is your tank?

FWIW, DIY CO2 can give you too much CO2.

HTH
Walter

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post #3 of 3 (permalink) Old 11-13-2007, 03:18 PM Thread Starter
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Quote:
Originally Posted by tazcrash69 View Post
What kind of liquid did you use in the CO2 indicator? Was it aquarium water? (yes, I know that is what the instructions say, but get your hands on a KH4 standard).
What kind of fish?
Is it only at night, or also during the day?
What kind, and how heavily planted is your tank?

FWIW, DIY CO2 can give you too much CO2.

HTH
Walter
Ya, it is aquarium water. It went green just after I posted (not yellow). I tested KH, it is 15 degrees, ph went to 7.

This is real bad according to the co2 tables. I quickly turned up the spray bar to agitate the surface and turned off the CO2. I lost one SAE.

I mostly have swordtails, platy's, tetra's etc... Heavy planted tank.

What about pH swings now?
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