DIY co2 diffuser?
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Old 05-11-2004, 12:05 AM   #1
secretagent
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Hello all I justgot out a pot and fliped it and put the co2 line through the bottom of the pot! I am hopping that this will let the co2 Bubbles go through and out the hole to the filter intake! I thought of this because When it was in it my filter would just die and go out then run dry! This way more co2 stays incontact with the water when traveling up the incline and more water gos in the filter! I hope this helps!
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Old 05-11-2004, 12:13 AM   #2
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hmm sounds interesting......
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Old 05-11-2004, 12:15 AM   #3
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hmm.....do you even know what he did? That made no sense!
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Old 05-11-2004, 02:42 AM   #4
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I'd say he took a tiny clay pot, put it upside down and let the CO2 bubble in there where it collects for awhile before it puts one larger bubble out the hole of the pot, that then goes into the filter intake.

Personally, I never had any success with any sort of collection bell, and bubbling into filters was not very good either, but then my water is moderately hard and perhaps that is a difference.
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Old 05-11-2004, 02:15 PM   #5
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My Water is hard too but I think its working so far and thats A PERFECT explenation! Thanks i knew someone would understand!
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Old 05-11-2004, 03:30 PM   #6
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that Hagen kit comes with a really good ladder diffuser. seriously...i put 1 of those on a 75 gallon with pressurized CO2, and maintaned 22ppm for over a week, at about 2 bubbles per second (until my reactor arrived..now i can run 1 bps and hit 25ppm of CO2).
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Old 05-11-2004, 03:56 PM   #7
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That Hagen ladder is great, the travel length is about 5' and it takes about one minute for the bubble to move thru it, all the while it is moving and that is better for absorbtion than sitting still.

For $9 from PetSolutions (?), it is a great thing to try, when you get tired of these other experiments, MessyRoadKil
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Old 05-11-2004, 06:53 PM   #8
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tip the thing to one side (off angle)and it'll slow the bubbles down considerably!!!!... tip it so that bubbles just barely move ... they will move fast up the oposite side.. but the time variance is so great on the slow end it is as if you are runnnig it almost twice the distance!!
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Old 05-11-2004, 09:31 PM   #9
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Well $9 bucks isnt that bad but I dont like shipping and all! They charge so Much! Well It seems to be working good sofar I would pay $9+ for some other stuff though!!
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Old 05-11-2004, 09:34 PM   #10
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If only... It's $25 here, and even in canadian currency that's steep!

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Old 05-12-2004, 02:35 AM   #11
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might try this...

http://www.aquahobby.org/board/viewtopic.php?t=11315

A multi-teer bell device would difuse more into the water...without the need for allowing it into the filter intake...
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Old 05-12-2004, 02:11 PM   #12
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Thanks for the comments and I guess I will try something different Eventually!
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Man! Good to be back! I have been soo consumed with my saltwater tank and school it's just so sad to let my empty fishtanks go to waste!

----SO LETS GET IT ON!----
Back to the Good side We shall travel!
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Old 05-12-2004, 04:34 PM   #13
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some will put a second diffuser above the first ladder, to grab the bubble and fully dissolve it. I've never needed to take it that far though.

Order some test kits or something to pad out your order, so the shipping isn't so bad.
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Old 05-12-2004, 09:40 PM   #14
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If you work thorugh the geometry of it, you'll see that as the diameter of a bubble decreases to 25% of the original size, over 98% of the volume is gone. so if you see that much of a decrease as a bubble rises through the diffuser, then you've gotten 98+% of the benefit. I have to think that some of the remaining 1.5% is other than CO2 anyhow.
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Old 05-13-2004, 09:23 PM   #15
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http://www.thatpetplace.com/Products.../Itemdy00.aspx

They have the whole set including the bottle for $17
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