New Fish and Co2 - The Planted Tank Forum
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post #1 of 4 (permalink) Old 02-18-2012, 12:07 AM Thread Starter
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New Fish and Co2

When you get new fish, and put them in a tank running co2. The fish have to adjust to the co2 levels correct?

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post #2 of 4 (permalink) Old 02-18-2012, 03:24 AM
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yes they can go belly up fast
i add co2 enriched tank water to bag over a hour or so
mixing tank water with bag water should be done anyways
regardless of co2
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post #3 of 4 (permalink) Old 02-18-2012, 03:38 AM
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If they were $1.99 each I'd just drain the water and throw them in anytime.
If they were $10 each I'd temp acclimate and throw them in at least a few hours after CO2 went off for the day.
If they were $30 each I'd actually adjust my CO2 levels over a week or two to slowly bring them up to speed.

But that's me.

Of course, regardless of cost, I'd have quarantined them for a few weeks. No sense in killing off the rest of the fish in your tank.
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post #4 of 4 (permalink) Old 02-18-2012, 04:16 AM
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I just drop and plop, after quarantine of course.

But I try and do it when my Co2 isn't cranked up.
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