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Old 01-06-2013, 02:41 PM   #1
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co2 generator into canister filter

I have just made a 3 liter co2 gen, it works really well putting out 1 bubble per second. I have not used co2 before and need some advise. A lot of people seem to be letting the bubbles go into a canister filter to be diffused. Anybody have an arguement against this? Its a Fluval 305
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Old 01-06-2013, 03:26 PM   #2
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That is a good way to diffuse CO2. It will work out fine.
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Old 01-06-2013, 03:43 PM   #3
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Thanks, Do you know much about co2 and PH? I was thinking of more cacium carbonate lava rock to keep a balance.
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Old 01-06-2013, 03:48 PM   #4
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The more CO2, the lower your Ph. You can try the lava rock, but what I've found to be best is running about 1-2cm of crushed coral in the filter itself to buffer against the ph drop from the co2.
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Old 01-10-2013, 03:33 PM   #5
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Quote:
Originally Posted by Scottw68TN View Post
Thanks, Do you know much about co2 and PH? I was thinking of more cacium carbonate lava rock to keep a balance.
Whats your KH? if you have a high KH to begin with (>9 dKH) you won't see a measurable drop in pH based on that amount of CO2. Now if your dKH is 2 or 3, you may want to buffer your water.
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