KH levels with Carbo Plus CO2 Help! - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 01-11-2005, 03:36 PM Thread Starter
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KH levels with Carbo Plus CO2 Help!

Good Day everyone, I was recently given a carbo plus unit, and in speaking with my local fish guy who has one in there display tank I was told that it will actually lower my KH due to the conversion process it uses to make CO2.

After hearing this he recommended Kent R/O right in order to put back the nutrients into the water after and recommended doing this after my water changes.

I use regular tap water and the levels from my tap are as follow

PH 7.6
GH 120 ppm or 6.7
KH 60 ppm or 3.36

Now in my tank the readings with the carbo running are

PH 6.8 - 7.0
GH hasnt changed
KH is now down to 40 or 2.24

My question is this will the R/O right increase my KH or stabilize it and will this affect my ability to calculate my CO2.

Or can anyone suggest another way to raise my KH so that it will not affect my ability to calculate my CO2 I have heard baking soda does that affect readings?

Thanks

Austin

Eheim Pimp Club Member # 95 -- 46 Gal Planted Tank - 2 X Eheim 2215 - 192 Watt Aqualight 6700k - Flourite Substrate - 150 Watt Jager Heater - Pressurized CO2
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post #2 of 5 (permalink) Old 01-11-2005, 03:49 PM
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When using the carbo plus, I recommend getting a small mesh bag of coral and placing it in your filter. This helped keep the KH in my 120s between 4 and 6. RO Right does help, but it becomes expensive over time.


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post #3 of 5 (permalink) Old 01-11-2005, 10:01 PM
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Baking soda will raise the kH and not effect the pH/kH/CO2 chart as it is a bicarbonate based buffer.
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post #4 of 5 (permalink) Old 01-11-2005, 11:37 PM Thread Starter
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I have added some bakign soda and gotten my KH to 70 ppm now, what is a good adittion to raise the GH now that wont affect the co2 calculations? Would liquid R/O right be ok?

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post #5 of 5 (permalink) Old 01-12-2005, 03:18 AM
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To raise gH you can use calcium chloride and Epsom salts.
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