How to put the tube inside DIY bottle? - The Planted Tank Forum
 
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post #1 of 12 (permalink) Old 07-18-2008, 04:07 AM Thread Starter
 
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How to put the tube inside DIY bottle?

How to put the tube inside the DIY bottle? above the mixed water (yeast and sugar) or dip inside the mixed water? Thanks in advance
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post #2 of 12 (permalink) Old 07-18-2008, 04:56 AM
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Above the mixture. You only want the CO2 gas to go into the tank, not the yeast mixture, for sure. That would nastify your tank in a hurry.


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post #3 of 12 (permalink) Old 07-18-2008, 05:11 AM Thread Starter
 
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Thank you very much
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post #4 of 12 (permalink) Old 07-18-2008, 05:18 AM
are you experienced?
 
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i usually put the tube about 1" from the cap.
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post #5 of 12 (permalink) Old 07-26-2008, 05:16 PM
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Did you guys use any kind of grommet? How about sealant -- the usual aquarium silicone stuff?
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post #6 of 12 (permalink) Old 07-26-2008, 05:18 PM
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Drill a clean hole smaller than the size of the tubing. Cut the tubing at an angle, thread through the hole in the cap. Get some pliers, yank.

Airtight seal 99% of the time.
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post #7 of 12 (permalink) Old 07-26-2008, 05:23 PM
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Awesome! I'll give it a try.
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post #8 of 12 (permalink) Old 07-26-2008, 09:09 PM
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Good plan... silicone only sticks to pop bottle lids for so long and then it needs to be redone. There are also some kind of "screw on" nipples that can be used, available at some hobby stores. But I've never been able to find them myself.

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post #9 of 12 (permalink) Old 07-27-2008, 04:29 AM
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Works like a charm.

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post #10 of 12 (permalink) Old 07-31-2008, 07:33 PM
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Your coordinated colors are neat. I'd ditch the check valve personally, there's not really any way water could siphon back into a closed container, the check valve is one more place you could get a pin hole leak. Opinions may vary.

I was successful with a similar setup for about 6 weeks when I got a pin hole and the bubbles stopped. After that it was a very frustrating 4 weeks of algae, a stack of soda bottles and a lot of yeast and sugar wasted before I was able to get another cap to seal. I ended up using a push to connect bulkhead fitting from home depot with some acrylic caulk to seal it up I also bought some 1/4" polyethylene tubing, it is more ridgid and a little easier to work with than airline tubing. Apple Juice bottles are a lot easier to fill than the soda bottles I discovered.
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post #11 of 12 (permalink) Old 08-07-2008, 06:02 AM Thread Starter
 
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I don't know why, My DIY co2 work only 2 days then it stop. May be I added too much yeast or my bottle was licking?
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post #12 of 12 (permalink) Old 08-07-2008, 06:11 AM
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To the 2-liter bottle we added hot tap water, some tap water conditioner to kill the chlorine/chloramine, two cups of sugar, and shook. Once the sugar was dissolved we added a teaspoon of baking powder and a teaspoon of bread machine yeast.

It's been 10 days and I'm getting about 3 bubbles per second. The ambient temperature stays between 71F and 73F.
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