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post #1 of 7 (permalink) Old 08-05-2003, 09:54 PM Thread Starter
Algae Grower
 
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Location: Michigan
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I have a pretty high ph of 7.6. I just turned on the CO2 now that I have the rest of my gravel and my Eheim in place.

Kh: 6
Gh: 8 or 9...test was shady...how green does it need to be :P

This seems to put me in the 4.5ppm CO2 range. Where should I be shooting and will I be able to get there safely for the fish I intend to keep and possibly bring that ph down a bit?

Thanks
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post #2 of 7 (permalink) Old 08-05-2003, 09:57 PM
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Follow this guide Deuce. It will help you adjust your pH to your KH and get a good level of CO2.

http://www.csd.net/%7Ecgadd/aqua/art_plant_co2chart.htm.


Mike

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post #3 of 7 (permalink) Old 08-05-2003, 10:02 PM Thread Starter
Algae Grower
 
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I got this:
We're sorry - the file you were looking for is no longer here.
Please notify support@boulder.net with the name of the file and how you got to that file.

Thank you!

----------
Eheim Pimp Member # 117
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post #4 of 7 (permalink) Old 08-05-2003, 10:23 PM
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http://www.csd.net/~cgadd/aqua/art_plant_co2chart.htm

This should be the link for the co2 chart.

Marcel

FILSTAR Pimp #2

75 gal heavily planted,50/50 Black beauty,Eco-complete substrate, Pressurised CO2 with solenoid, ph controller, AB Reactor 1000, 330 watts 9325K GE PC lighting,Ehiem Liquidoser, 2-Filstar xp3 canisters.
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post #5 of 7 (permalink) Old 08-05-2003, 10:25 PM
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Generally, you want CO2 to be at least 10 ppm, preferably over 15 ppm, but less than 25 ppm. Any less than 10 ppm, and plant growth will not be very good, and any more than 25 ppm CO2 displaces enough oxygen that the fish will start having problems.

This means that if your KH stays the same, you are shooting for a range of 7.0 to 7.2 pH. If KH drops, your pH will need to be a little lower. If KH raises, your pH will need to be a little higher.

www.thekrib.com/plants/co2/kh-ph-co2-chart.html
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post #6 of 7 (permalink) Old 08-05-2003, 10:26 PM Thread Starter
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That is what I was thinking, but should the KH move based on CO2? I know that the ph will, but am not sure what to expect with the KH level.

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post #7 of 7 (permalink) Old 08-05-2003, 10:29 PM
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The KH should stay the same.

FILSTAR Pimp #2

75 gal heavily planted,50/50 Black beauty,Eco-complete substrate, Pressurised CO2 with solenoid, ph controller, AB Reactor 1000, 330 watts 9325K GE PC lighting,Ehiem Liquidoser, 2-Filstar xp3 canisters.
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