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Old 02-02-2005, 06:03 AM   #21 (permalink)
 
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Hi,

how big should the bio-balls be? i have found only 23mm diameter balls, thus in a 2" pipe there is space for more than 20 such bio-balls

is this ok?

thanks in advance
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Old 02-02-2005, 08:05 AM   #22 (permalink)
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Bio balls are just to stirr up some turbulence. I only use 5, but you can use more. I think mine are either 1 or 1.5"...I forget.
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Old 02-02-2005, 12:20 PM   #23 (permalink)
 
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I used 2" inner diam. pvc with the 2 90 deg. elbows. It's real close to what you designed only instead of the 2" NPT male/female connection i used a 1.5" connector (this might cause an overall length issue, mine is 12.5" from cap to cap (not elbows)). Also i found a threaded 90 deg. so i didn't have to use a bushing.

I'm using 6 -1.25" bioballs

I tried tilting the unit -20 deg. from vertical. I was told this might help, but it didn't.

I use an XP3 rated at 350gph.

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Old 02-04-2005, 05:15 PM   #24 (permalink)
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Gomer, you mentioned building several of these reactors. Have you made one allowing injecting the CO2 from the bottom? Better/worse results? Do little bubbles still make it out of your reactor design?
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Old 02-04-2005, 05:48 PM   #25 (permalink)
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Scott, all I can say is that my XP2 doesn't even come close to overpowering the reactor that I built. Are you running DIY or pressurized? Wonder if you are getting a build up of non disolvables.

Rolo, I built 10 in total LOL. All of them injected at the top. If you inject at the bottom, you are injecting into a high flow region (everything beyond is ~1" diameter). If you inject into the top, you have to pass a low flow region (through a 2" diameter).
Run the math, and in an ideal situation (never is LOL) you have 1/4 the flow rate in the 2" section.
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Old 02-05-2005, 01:03 AM   #26 (permalink)
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Default Inline reactor parts

Does anyone have a dismantled parts diagram for this reactor. I need to see the parts seperately in order to explain them to the people (lfs) here. I can not find each of them as they are not exactly sure what to give. I'm very interested in doing this regulator, it is just what I'm looking for.

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Old 02-05-2005, 10:37 AM   #27 (permalink)
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Quote:
Originally Posted by yildirim
Does anyone have a dismantled parts diagram for this reactor. I need to see the parts seperately in order to explain them to the people (lfs) here. I can not find each of them as they are not exactly sure what to give. I'm very interested in doing this regulator, it is just what I'm looking for.

YILDIRIM
Dismanteled Reactor. Similar but not exact to Gomer's design.

I really like the use of part #13. I sawed my own reactor into two pieces and reconnected it with that test tee. This allows you to remove or add bio balls.

Gomer, Wow! 10 reactors? Now I could imagine you did some experimentation. Did you build ones without bio balls and think it was better/worse?

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Old 02-05-2005, 10:52 AM   #28 (permalink)
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Part #13 was something I was hunting for but was extremely hard to find for some reason. Instead, I ended up using G-H which unscrew. I don't think you'll ever need to dismantle these guys if you run on the output of the filter though.

I built 10 so that I could built them affordably LOL. Buying in bulk really helped. All 10 were made identical. I actually based mine on Jame's reactor using what was available to me LOL.
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Old 02-19-2005, 08:42 AM   #29 (permalink)
 
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Gomer, i constructed the reactor and its length is 60cm (24"). I still see a lot of tiny bubbles coming out of the spray bar and the co2 is injecting 1 bubble/sec.

would it help to have the input of the CO2 at the bottom of the reactor instead at the top?

any advice on how to handle this problem with the bubbles?

thanks
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Old 02-19-2005, 10:32 AM   #30 (permalink)
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The first 2 potential things:

1) is the reactor oriented vertically?
2) is the CO2 input on the TOP section?
3) Does flow go from top to bottom?
4) Did make sure that the reactor is completely full of water and doesn't have a big pocket of water in it? (if it is setup like 1-3, then just invert when you have flow)
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