CO2 DIY bomb. - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 16 Old 03-09-2010, 06:25 PM Thread Starter
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CO2 DIY bomb.

So i finally finished the co2 bomb(did it before but not for a while). 2L coke bottle, bubble counter,hose, the works.
Now it's been going for about 1 hour and it's working but not as i intended.
I was aiming for 1 bubble/second in the bouble counter BUT i'm getting from 1 to 6 bubbles/second. It sometimes gives 1, sometimes 4, 6 etc.
The bottle is not hard yet and still it's making a pretty big ammount of bubbles in the cunter. 6 is a lot for a just started bomb.
I used 1.7 liters of warm water, 1 pack of yeast, 1 cup of suggar.
Any thoughts?
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post #2 of 16 Old 03-09-2010, 06:46 PM Thread Starter
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A movie about how it works in the aquarium:
http://www.youtube.com/watch?v=zH2yFWbuL14
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post #3 of 16 Old 03-09-2010, 07:20 PM
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Are you running this in a tank with fish or test driving it in a bucket this its working fine? You REALLY gotta watch your ph/kh there with the excess co2 you're producing there with 6/sec you can quickly and easily lower all these parameters wayyyy down (needless to say that's very bad for fish).

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post #4 of 16 Old 03-09-2010, 07:25 PM Thread Starter
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Yeah, i stoped it... The pH took a dive from 7.5 to 6.5 in 1 hour.
Strange... Even thou the bottle was not hard at all the amount of co2 being produced was huge.
Don't wanna think what would have hapened in 12 hours...
Oh well, it was fun building it .
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post #5 of 16 Old 03-09-2010, 10:35 PM
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Yea I feared that much - DIY CO2 started in the stocked tank is often a effective and quick way to kill of your stock. Good thing you stopped it!

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post #6 of 16 Old 03-10-2010, 01:17 AM
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Try pinching the tubing or poking a pinhole in the bottle to decrease the CO2 going in.

Try it in a clear glass this time. :)


Use less sugar for less CO2 production as well.

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post #7 of 16 Old 03-10-2010, 05:08 AM Thread Starter
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Quote:
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Try it in a clear glass this time. :)
What do you mean?
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post #8 of 16 Old 03-10-2010, 09:26 AM
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To test your co2 set up in any other glass/ container and NOT inside the tank to avoid fluctuation in the tank again.

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post #9 of 16 Old 03-10-2010, 12:42 PM Thread Starter
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Bah not bothering with it no more, going to buy a 8Kg co2 beer barrel(u know those tubes made for co2-ing beer in bars and such) with control valve and all that and just use that.
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post #10 of 16 Old 03-11-2010, 07:50 PM
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Quote:
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Bah not bothering with it no more, going to buy a 8Kg co2 beer barrel(u know those tubes made for co2-ing beer in bars and such) with control valve and all that and just use that.
Well if you want to...
but wouldn't that be the same as just adding a regulator to the CO2 bomb you already made?

BTW, after some research, you used too much yeast.
more like 1/4-1/2 tsp will produce less.

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