Adjusting CO2 - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 01-25-2014, 03:48 PM Thread Starter
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Adjusting CO2

Hi all - I'm a couple weeks into pressurized CO2, bought a full system from Orlando at GLA including drop checker and I love it. Plants are already taking off, and I'm adding a second T5 ho strip this week. My question is how quickly to adjust the rate. I'm at 4 bubbles a second now (have 2 HOB emperor 400's - I know not ideal but not willing to give them up. I keep the water level topped off at all times). I get the drop checker from nuke to medium green at 4/sec but not light green like the reference liquid. Ph holding steady in upper 6's. I can notch it up to 5-6 bubbles a sec but not sure how fast to do it. Thanks!
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post #2 of 4 (permalink) Old 01-25-2014, 03:57 PM
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What's the fish situation? I look to the fish as they are the main ones to suffer if it goes too high. As I like to keep it all steady, I change slowly and watch the fish. Any signs of stress or going to the top, etc. I'm quick to back off and do some water change.
If you have a precise needle valve, I might take a week to go up as I watch.
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post #3 of 4 (permalink) Old 01-25-2014, 06:14 PM Thread Starter
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Fish are doing great actually. Just tweaked the filters a bit, added some purigen, marinepure and an intank UV which I run at night. Best they've ever been. Got some BBA so I think I'm not fully dialed in yet.
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post #4 of 4 (permalink) Old 01-25-2014, 06:26 PM
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Quote:
Originally Posted by PlantedRich View Post
What's the fish situation? I look to the fish as they are the main ones to suffer if it goes too high. As I like to keep it all steady, I change slowly and watch the fish. Any signs of stress or going to the top, etc. I'm quick to back off and do some water change.
If you have a precise needle valve, I might take a week to go up as I watch.
+1

Bumping it up slowly is safer. Just keep going! Maybe a bubble per second every 3-4 days. When you see signs of distress return the the previous bubble rate. The closer you get to the maximum the finer the adjustment.
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