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  Topic Review (Newest First)
02-05-2017 12:14 PM
PEdwards
Quote:
Originally Posted by zackariah View Post
I have 2 cerges in line on my tank and it works. Maybe try that.

Sent from my SM-G920V using Tapatalk
Thanks for the input. I do have 3x 10" unit that I'd been using and have been considering trying to hook up them it up to the new large chamber. Hopefully that will help.
02-04-2017 04:28 PM
zackariah I have 2 cerges in line on my tank and it works. Maybe try that.

Sent from my SM-G920V using Tapatalk
02-04-2017 03:18 PM
PEdwards Anyone have experience using a needle wheel impeller on their Cerges? I'm currently running a lot of gas through a 590ish gph needle wheel skimmer pump through a 20"x4.5" reactor and am still getting a boatload of microbubbles making it through even with the outlet valved waaaaay back (and hence a lot of pressure for dissolution). I'm beginning to think going to a direct bubble input vs. blowing mist into the chamber is a better idea.

Thanks!
10-02-2016 09:02 PM
Patriot Anyone using this with a Fluval FX6?
10-02-2016 08:47 PM
michu Just realized I was being incredibly rude by asking for help in this thread. I do apologize. I posted a new thread if anyone would like to help. http://www.plantedtank.net/forums/9-...ml#post9588897
09-23-2016 03:45 PM
ernest
Quote:
Originally Posted by micca View Post
ah.... thank you micca.
09-23-2016 05:36 AM
micca
Quote:
Originally Posted by ernest View Post
why the pictures are not shown?
Click here for pictures.
09-22-2016 05:39 PM
plantsrockmysocks The pictures were moved/delete from Craigthor's Photobucket account.
09-22-2016 05:01 PM
ernest
Quote:
Originally Posted by Craigthor View Post
Have to thank our Russian friends for this one. After playing with the Rex Griggs reactor I wanted to try something else. Principal and cost are about the same design is different.

Google Translate

What you will need:

Omni OB1 Series A House Filter
2- 1/2" Male Threaded Adaptors with Barb end
2- 3/4" 90 degree Street fitting
2- 3/4" PVC Male Adaptor
2- 3/4" x 1/2" PVC Bushing
1- 3/4" CPVC Coupling - Note this has to be CPVC not PVC as the PVC fittings are too big
1- 6 3/4" x 3/4" CPVC Pipe - Again has to be CPVC and not PVC
PVC Primer and Cement
CO2 Tubing
Teflon Thread Tape
Scissors
Needle Nose Pliers
Filter Tubing
Drill and Drill bit for your CO2 Tubing

Total cost as ~ $23 each about the same as the Rex Griggs inline reactor if you don't use clear pvc.

Filter Housing:





Start by removing the Priming Button via the screw on the inside of the lid for the housing:




Drill out the hole to accept your CO2 tubing this hole shpould be smaller then your CO2 Tubing so it creates its' own seal.



Cut the CO2 tubing at a sharp angle so you can stick it through and pull it with the needle nose pliers. This should be slightly tough to pull through as it will create a seal as you pull the tubing through.





Cut the CPVC pipe off at 6 3/4", if you are using a different filter you may have to adjust the cut off length. I cut mine so it was about 3/4" off the bottom. Push the CPVC coupler over the nipple in the lid, should fit really snug. Then push the CPVC pipe into the coupler. I didn't glue this together as it was a snug fit and should be under little pressure.




Lay out and glue the fittings together, with the fitting I chose you won't need any extra 3/4" pipe as all the fittings go together.





Attach the fittings to each side jsut make sure you hook them up according to the Flow marking on the lid. Finished Product.



I will update tomorrow once I install these as to how effective they are, but based on looks they should function really well. According to the article I linked to about he got a .5 PH change in a matter of minutes.

Craig
why the pictures are not shown?
08-18-2016 12:30 PM
WaterLife
Quote:
Originally Posted by snowman1235 View Post
I am reading into the various DIY Cerges CO2 reactors for the 330g tank I am building. I came across this thread, which looks it could be very useful to read from Tom Barr, but all the images seem to be broken links:
How To Build A Cerges CO2 Reactor - Aquarium Plants - Barr Report

Was this design reported also anywhere else by Tom, where images would still be active?
This is the dual venturi build from Tom Barr (modified Rex Grigg design)
Dual venturi DIY External CO2 reactor - Aquarium Plants - Barr Report

The link you posted, the JPG (JPEG) links aren't working for me (maybe you have to be a logged in member? or the OP deleted the pics from their computer), but all the other pictures throughout the thread display for me.

Any way, if you still can't see the pics on your linked page, the Cerges build on that thread is just a typical Cerges build.
08-18-2016 11:30 AM
snowman1235 I am reading into the various DIY Cerges CO2 reactors for the 330g tank I am building. I came across this thread, which looks it could be very useful to read from Tom Barr, but all the images seem to be broken links:
How To Build A Cerges CO2 Reactor - Aquarium Plants - Barr Report

Was this design reported also anywhere else by Tom, where images would still be active?
06-02-2016 08:15 PM
burr740 @WaterLife I know the adjustable water filters with a built in cut off on top, have much smaller holes than the regular ones. I made the mistake of buying one of those first, thinking it would be a good thing, then noticed the holes inside were like 5/16" dia. That's just a guess, but they looked tiny. Had to go buy another one
06-02-2016 07:45 PM
IUnknown Anyone have links from Amazon for a WHF housing? The one I got at lowes has inlet and outlets that look super restrictive and is cutting my flow. This is for a 100 gallon. And a link to the center pipe, I used tubing but the Co2 is eating it. Like a defacto setup that is tried and true.
06-02-2016 04:43 PM
WaterLife Anyone have experience using a SunSun 304/404 with either a Cerges or Griggs reactor in-line and can comment on flow rate reduction? Size of reactor housing (and maybe inlet/outlet diameters) info may be helpful.

What @Immortal1 stated about smaller internal holes on Cerges whole house filter housings makes sense. Anyone have a particular brand of WHF housing that had large holes/didn't reduce much flow?
I assume Griggs style reactors would not have the same issues (small holes significantly reducing flow)

I was thinking of doing a 20" Cerges since I liked the WHF housing appearance better than PVC Griggs, but if flow rate would be reduced much more with the Cerges, or require a by-pass to be made with PVC, then I might just go straight ahead and build a PVC Griggs and avoid the hassle (likely save some dough too).
For the SunSun mentioned above, the Cerges housing should have 3/4" inlet/outlet threads right, not 3/8"?
If I went the Griggs design, I would probably still do at least 20" in length (standing tall). What diameter pipes should be used?
06-02-2016 12:42 PM
N2uqs Hello everyone,

I need advice on a buying a pump for this style of reactor. How many GPH do I want running into it. Tank is 55 gal before substrate, wood and plantings so I'm guessing it's about 45 gal or so. What size Cerges filter should I buy a 10" or 20"? Filter is a small Wet / Dry. Thanks for the advice....
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