Cerges' Reactor - DIY Inline CO2 Reactor - Page 23
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Old 05-18-2012, 01:05 AM   #331
happi
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here is my 3 week setup, i had to tear down the tank due to osmocote, again i still have plant melting here and there due to exces ammoium and nitrate.

here is my video:

http://www.youtube.com/watch?v=IAqki9X7n-E

MOOSE thanks for your video, looking good

i have played around with the reactor and it seems to work well if you lay it sideway instead of keeping it standing straight up. i also added a diffuser inside the reactor, this actually works very well and co2 diffuse much quicker. if anyone want to try the diffuser method inside the reactor then this is good. you can also try the inline diffuser which should give same results. adding sponge makes a big difference on the diffusion, i added two sponges which fills the reactor almost 8" and this is working very well.
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Old 05-18-2012, 02:03 AM   #332
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Originally Posted by stevieo View Post
Hey guys I have a couple questions, I'm running dual filters on my 90g (xp3 and xp4), but I only have one line for co2 coming out of my co2 bottle/regulator/whatever you call it (as I run an atomic diffuser inside the tank) if I wanted to build these reactors do I go with 1? Or build two? And if I do build two, would I be able to get like a t or y fitting to split my co2 lines into two lines and have one for each reactor?
Not sure if this question was answered, but... you should be able to get away with using one reactor on a 4 foot tank, "should" being the key word. All tanks are different. But if you do decide to tee the line, you will need a separate needle valve on each line. I'm not sure where you can get a tee, but I'd look in the SnS for folks there that are selling regs and post body kits (I got mine a few years ago from Rex, but he is no longer in business).

Great videos, guys.
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Old 05-18-2012, 02:32 AM   #333
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Thanks jart,

I had just trimmed about 3-4 lbs of plants out of mine before I shot that vid. It looks bare to me! They get away from you so easily sometimes. I'm even contemplating going back to 13w CFLs in this tank, just for a little relief from the trimming. It's got 23w in there now... Tempting...

Cheers
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Old 05-18-2012, 04:07 PM   #334
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Is there any filter with 1" in and out? I don't want to throttle my pump that much..
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Old 05-18-2012, 05:47 PM   #335
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The filter that le0p is using has 1" in/out. I tried to source a similar unit in the 20" length but apparently Pentek stopped making them for awhile. I was told by someone (can't remember who now because I talked to so many people) that they started making them again in the 20" clear housings. If you do some research you may find someone interested in getting one for you.

I was very happy with the service and price I got from these guys - you may be able to get one through them.

They seemed eager to answer any questions I had and were pleasant and promptly delivered.

Good luck
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Old 05-18-2012, 05:53 PM   #336
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I don't care for the clear I just have a feeling my flow would be a little too much for it
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Old 05-18-2012, 05:55 PM   #337
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http://www.discountfilterstore.com/w...hfpp-pr20.html
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Old 05-23-2012, 01:09 AM   #338
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Originally Posted by BigCountry View Post
Thank you to everyone who posted their builds here. Here is my interpretation:

Attachment 47656

Attachment 47657
Anyone can tell me what's the name of that fitting for co2 tube and the one that the fitting goes into ?
Is there any way to not use CPVC inside, the Home Depot that's close to me doesn't carry it...
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Old 05-23-2012, 05:06 AM   #339
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Anyone else have problems getting the 3/4" CPVC coupler to fit onto the lid?

My lid's opening is visibly oval shaped. It is Whirlpool branded filter.

Anyone have any suggestions?
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Old 05-23-2012, 05:15 AM   #340
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Originally Posted by Eviltwist View Post
Anyone can tell me what's the name of that fitting for co2 tube and the one that the fitting goes into ?
Is there any way to not use CPVC inside, the Home Depot that's close to me doesn't carry it...

The T shaped fitting is called a "tee" and looks like he used a threaded version - there are two types - threaded and "slip" which is the one you would use with glue. The brass fittings look like a reducer to a nipple.
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Old 05-23-2012, 05:19 AM   #341
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Originally Posted by s_s View Post
Anyone else have problems getting the 3/4" CPVC coupler to fit onto the lid?

My lid's opening is visibly oval shaped. It is Whirlpool branded filter.

Anyone have any suggestions?

Not sure what you mean by coupler. If you mean the downtube you fit into the slot where the filter would be, then you need to get the correct length of 1" PVC (not CPVC) and heat the end in boiling water per my suggestion about 30 posts ago, and either enlarge or reduce it to fit the round slot. CPVC will not soften in boiling water - that's why it's used in hot water plumbing. PVC will.
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Old 05-23-2012, 05:22 PM   #342
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Quote:
Originally Posted by Eviltwist View Post
Anyone can tell me what's the name of that fitting for co2 tube and the one that the fitting goes into ?
Is there any way to not use CPVC inside, the Home Depot that's close to me doesn't carry it...
Sorry but I don't know the exact sizes but, this is what I bought at Home Depot not sure of the second piece but its similar. You fit these two together then they go into the Tee. I just pieced everything in the store to make sure everything fit. good luck.





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Old 05-23-2012, 05:26 PM   #343
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I didn't use CPVC for the "downpipe" on my reactor. I used a piece of 1" PVC and glued it in place with 100% silicone. The ID of the 1" PVC was just slightly larger than the OD of the filter's outlet port inside the canister, so it didn't fit as snugly as I would have liked, but the silicone worked out just fine for me.
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Old 05-23-2012, 10:27 PM   #344
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Silicone won't bond to PVC. You have a mechanical seal now, but it won't last. Melting it to form will be satisfactory in the long run.

Cheers
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Old 05-23-2012, 10:46 PM   #345
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All the silicone needed to do was pick up the slack between the pipe and the filter output. I was skeptical at first but it's working just fine for now. Even if I need to rework it later on its no big deal it's easy enough to get into it :-)
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