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post #1 of 4 (permalink) Old 02-04-2014, 10:44 PM Thread Starter
Ras
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co2 question

not sure where else to post this
i have the co2 tube feeding into my intake on the filter filter so the bubbles get diced up

im wondering if it makes a big difference if the spray bar (output ) is pointing down toward the substrate or if it can be pointing up to move the water on the surface w.o losing co2

I was told if the top water is moving it helps aerate the water without causing real surface disturbance

does that make sense?
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post #2 of 4 (permalink) Old 02-04-2014, 10:48 PM
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Increasing the surface movement will increase CO2 loss. However, it also can increase oxygen levels allowing for higher CO2 levels. CO2 is cheap. It's better to have a good surface ripple to oxygenate water and keep the surface scum broken up IMO.
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post #3 of 4 (permalink) Old 02-04-2014, 10:53 PM Thread Starter
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Quote:
Originally Posted by Zorfox View Post
Increasing the surface movement will increase CO2 loss. However, it also can increase oxygen levels allowing for higher CO2 levels. CO2 is cheap. It's better to have a good surface ripple to oxygenate water and keep the surface scum broken up IMO.
hmmm
well the tank is very heavily planted and i havent had issues with surface algae
i was mainly worried about the fish not getting enough oxygen
this past 2 days is my first time ever running a tank without an airstone or a hob filter and it feels like every move the fish make i wanna chalk it up to low oxygen, give up and throw the airstone back in

just want to make sure im doing it right
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post #4 of 4 (permalink) Old 02-04-2014, 11:02 PM
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At least you're watching your fish for changes! That's better than most people do when starting CO2 injection. Many fixate on a drop checker or PH change ignoring fish. You want a nice surface ripple without actually breaking the surface. Adjust CO2 SLOWLY. Give it a few days between small changes. When you see the behaviors changing you'll know. Then you can turn back the CO2 a notch.
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