My take on a CO2 Reactor - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 02-22-2013, 12:43 AM Thread Starter
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My take on a CO2 Reactor

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So my inline diff failed today so its prompted me to DIY another fish tank item then go through the hassle of ordering....waiting.....installing....only to have another thing fail. SO here is my DIY reactor.

2ft- 1.5" schd 40 PVC
2-1 1/2" to 3/4" male thread
2-3/4" union to a 3/4"x 1/2 barb
1- brass nipple.

10 fluval bio media broken into chunks and tossed in the reactor to bang around cause some turbulance.

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post #2 of 8 (permalink) Old 02-25-2013, 07:15 PM
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So how is it working? Appears like the co2 inlet is a little low and would seem like the head pressure would just push it out the bottom?
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post #3 of 8 (permalink) Old 02-26-2013, 01:48 AM
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Quote:
Originally Posted by latchdan View Post
So how is it working? Appears like the co2 inlet is a little low and would seem like the head pressure would just push it out the bottom?

that's what I was thinking. Maybe a larger diameter pipe would cut down on the speed of the water flowing through.
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post #4 of 8 (permalink) Old 02-26-2013, 03:59 PM Thread Starter
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on the back side of the brass barb is a bubble wall rope and I filled the chamber with biomax that was broken up into pieces....but yeah I would say over all this is a fail. Still have bubbles inside the tank, might as well have a diffuser inside the tank. I built it to be compact and slowed the flow of the 205 its hooked to but it really didn't matter, on the up side when hooked up to my air pump and a time it worked good to oxygenate during off CO2 hours...to bad that wasn't what I was going for

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post #5 of 8 (permalink) Old 02-28-2013, 04:42 PM
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what you should have done is add a air stone plastic is better so co2 doesnt break it down like the stone one does... and place it into the reactor where the co2 goes into so that when co2 is entering the reactor it will be small bubbles and can be broken down by the flow of water going into the reactor better and much faster....
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post #6 of 8 (permalink) Old 03-01-2013, 09:41 PM Thread Starter
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yeah I had it all wrong. Had the water entering the bottom with the CO2, and leaving the top, should have had water in the top and out the bottom, live and learn.....

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post #7 of 8 (permalink) Old 03-01-2013, 09:50 PM
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Turn the reactor upside down and reconnect the hoses, it should be fine then.
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post #8 of 8 (permalink) Old 03-01-2013, 10:09 PM Thread Starter
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direction of the pipe is what i wanted...CO2 gas rising to the top to meet water flowing down...I just didnt hook it up that way, I never gave it a thought that the co2 would be pushed out with the water if flowing bottom to top together. I had the pieces all together correctly just my application was wrong..once I swapped the flow coming in the top and leaving the bottom it worked, so, so too much flow and not enough square inches of water to disperse the gass

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