Do I need anything else for DIY CO2? - The Planted Tank Forum
 
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post #1 of 10 (permalink) Old 02-17-2009, 03:15 PM Thread Starter
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Do I need anything else for DIY CO2?

I have:
2L coke bottle
yeast mixture
check value
airline tube
diffuser
I know how to set everything up, but do i need any of that fancy stuff, bubble counter, drop checker, etc. I don't know what these things do. How do I check i have a good amount of CO2 without killing my fish?
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post #2 of 10 (permalink) Old 02-17-2009, 03:46 PM
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looks like your set one question what is the size of your tank. you wont need the bubble counter and all that beacauE DIY CO2 is not consistant system. as far as a drop checher goes i would only use one with a tank less than 5 gallons anythain lager you shouldnt be able to saturate the water with CO2

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post #3 of 10 (permalink) Old 02-17-2009, 03:54 PM Thread Starter
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looks like your set one question what is the size of your tank. you wont need the bubble counter and all that beacauE DIY CO2 is not consistant system. as far as a drop checher goes i would only use one with a tank less than 5 gallons anythain lager you shouldnt be able to saturate the water with CO2
I'm using it for a 10 gallon
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post #4 of 10 (permalink) Old 02-17-2009, 04:01 PM
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I have a 10g with 2 bottles hooked up to a simple gas separator/bubble counter (just a 20 oz bottle set up). It is a lot easier to keep a consistent flow of CO2 if you have the 2 bottles. This will allow you to mix one and let it go until it slows down, then mix the second and let it go until it slows down and so on. I get about a week of full production out of each bottle, so I alternate each bottle every other week. The gas separator lets you count your bubble output so you know when it is slowing down. Here is my setup:



And I use a drop checker, which you can pick up for next to nothing on eBay, or you can get one from www.greenleafaquariums.com for a good price.

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Last edited by Gatekeeper; 02-17-2009 at 04:22 PM. Reason: cleaned up some wording...
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post #5 of 10 (permalink) Old 02-17-2009, 04:52 PM
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I think you want a bubble counter with DIY CO2 just to make sure it is working as expected.
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post #6 of 10 (permalink) Old 02-21-2009, 10:32 PM
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how much is a bubke counter?
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post #7 of 10 (permalink) Old 02-22-2009, 12:41 AM
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Quote:
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how much is a bubble counter?
coolnick's smallest bottle is a bubble counter as well as a gas separator bottle. The bottle is free, of course and you need the tubing. It is around 3/4's full of water or so. Notice that one tube is longer than the other. The longest tube's end is under the water and the shortest tube is not under the water.





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post #8 of 10 (permalink) Old 02-22-2009, 04:23 AM
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What is the purpose does of gas seperator? I'm guessing from the name it's seperating C02 from other gasses? And in diagram 1 above, is that a solonoid? If so isn't there a risk that the yeast generator will rupture?
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post #9 of 10 (permalink) Old 02-22-2009, 11:07 AM
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The gas seperator acts as a bubble counter.

You fill it up with just enough water to be 1" over the tube, and you can count the bubbles in the water. It is a DIY bubble counter.
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post #10 of 10 (permalink) Old 02-22-2009, 02:52 PM
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It also helps to keep some of the "yeast snot" out of your diffuser. Be sure to change the water in it every now and then.

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