Effective CO2 Reactor for nano tanks? - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 03-27-2006, 11:32 PM Thread Starter
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Effective CO2 Reactor for nano tanks?

Hey all, just wondering if anyone has had experience with a GOOD co2 reactor for a nano tank.

And more to the point, is it worth it?


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Like drops of fertiliser into the tank, so are the days of our CO2...
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post #2 of 6 (permalink) Old 03-27-2006, 11:44 PM
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CO2 in a nano can be a bit of a pain. The smallest tank I run CO2 into is a 6.6 (those bookshelf tanks) and that is only because I had a spare port on my manifold. I am doing it into a limewood airstone on that tank. The problem I see with smaller tanks is that the bubbles have so little time before they are at the surface and that there isn't much room to spare in these little tanks.
For the 6.6, I have the limewood under the Turtle 501 filter's spray bar and it seems to do the trick.
I tried feeding the CO2 into the input on the 501 via a "T", but to many bubbles made it in, and caused a bit more noise than I like.

For anything smaller than a 10, I'd probably just do excel.


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post #3 of 6 (permalink) Old 03-28-2006, 04:40 AM Thread Starter
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hmm

excel isn't really what I wanted to do

As it's pretty hard to get round these parts.

yeast on the other hand isn't.


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Like drops of fertiliser into the tank, so are the days of our CO2...
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post #4 of 6 (permalink) Old 03-28-2006, 11:55 AM
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I tried compressed Co2 into a mini glass diffuser in a 2.5g. It stuck out like a sore thumb and as mentioned the bubbles didn't get much contact time. I pulled it out that same day becaues I couldn't stand the intrusion. I also realized how annoying excessive pearling is in a tiny tank. There's no peaceful rising of small bubbles. It's big (looking) bubbles shooting out super fast. Honestly, doing 2 water changes a week keeps the HC slightly pearling but it's much slower and lingering than with Co2 injection.

I get good results using Excel and it takes so little that a bottle lasts a good while. On a small tank you shouldn't be ordering often.

10g and up I use pressurized Co2.

After trying DIY Co2 for a while I no longer consider it an option for myself.

"Insanity: doing [or asking] the same thing over and over again and expecting different results."
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post #5 of 6 (permalink) Old 03-28-2006, 01:25 PM
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what size nano is it the 10 listed in your sig

Eclipse system 12
heavily planted
AH 36w retro kit light 2pm-11pm
Substrate: Flourite
Pressurized Co2 with Red Sea 500 Reactor
jbj regulator
PMDD PreMix/EI
_____________________

10g shrimp Only tank
Flourite Red
28w corallife aqualight
Various Mosses.
whisper 20 w/ sponge pre-filter.
Feeding HBH Lobster crab bites and Algae Wafers.
No Co2 and very light fertilization
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post #6 of 6 (permalink) Old 03-28-2006, 08:03 PM
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I use the CO2 ladder thing. I had an extra lying around and it's in a 10" square tank I made myself. No filtration, no heating. I also dose excel.

I could probably pull the thing, but the shrimp like to climb on it.
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