Cerges' Reactor - DIY Inline CO2 Reactor - Page 52
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Old 09-17-2014, 08:22 AM   #766
sketch804
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Originally Posted by bsantucci View Post
I tried and failed miserably at this tonight. Question for you all, is a fluval 406 strong enough to run with a cerges reactor? I bought this as the housing. http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1

When I hooked it all up there was very little flow coming from my return to the tank. 1/2" pvc is what fits the inside of the housing.

So did I do something wrong or is the fluval 406 just not enough to run this? Nothing fancy for the hookups, just two brass barb fittings with the filter hoses on them and one tee on the input line to run the co2.

I use a fluval 405 to run my reactor, works great when for its good, once the filter clogges up then diffusion isn't as great, but I have no complaints. The only difference I do is run a 3/4" PVC in my housing. Got mine at HD or Lowes. Might just be to small of a pipe, reason for the lower flow rates. The more 90' bends you have in your pipe the less floor you will receive in the end. Or the opening to the housing from the inflow might be too narrow. Just a thought. Good luck to ya!

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Just a quick question, those with DIY water filter cerges, what pressure do you set your CO2 regulator output?

Got mine set at 25psi. Just my preference.

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Those using the home depot GE SmartWater housing, what size PVC did you use for the inside? I got a 1" piece and it slides in, but I don't feel it's tight enough to not fall out. Is there a coupler than can take up the extra millimeter or so or did you just use an aquarium safe epoxy?
I believe the one I have in there is 3/4", I may be wrong, it's been years since I set it up. I was able to get it to slide in the outflow hole without glue or anything else. But in a bind, PVC glue, just know it will not ever come off after that, not the you would need to.
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Old 09-17-2014, 01:46 PM   #767
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Originally Posted by sketch804 View Post
I use a fluval 405 to run my reactor, works great when for its good, once the filter clogges up then diffusion isn't as great, but I have no complaints. The only difference I do is run a 3/4" PVC in my housing. Got mine at HD or Lowes. Might just be to small of a pipe, reason for the lower flow rates. The more 90' bends you have in your pipe the less floor you will receive in the end. Or the opening to the housing from the inflow might be too narrow. Just a thought. Good luck to ya!

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Got mine set at 25psi. Just my preference.

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I believe the one I have in there is 3/4", I may be wrong, it's been years since I set it up. I was able to get it to slide in the outflow hole without glue or anything else. But in a bind, PVC glue, just know it will not ever come off after that, not the you would need to.
Thanks for the reply. 3/4 was too small, but 1 inch was a tad big. I took my heat gun last night and just heated the PVC and rolled the sides inward. This gave me a nice tight seal. I'll be hooking it up tonight. I'm hoping to run a lower PSI than 25 though, I thought you can run much lower with these than in-line diffusers? I'll have to play with mine a bit once running.

I don't have any elbows or bends, straight shots through the unit. I think my problem was the 1/2" pipe originally plus the barbs I used went down to 5/8. I'm going with 3/4 barbs this time, make sure I have no restriction.
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Old 09-18-2014, 04:35 AM   #768
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Originally Posted by bsantucci View Post
Thanks for the reply. 3/4 was too small, but 1 inch was a tad big. I took my heat gun last night and just heated the PVC and rolled the sides inward. This gave me a nice tight seal. I'll be hooking it up tonight. I'm hoping to run a lower PSI than 25 though, I thought you can run much lower with these than in-line diffusers? I'll have to play with mine a bit once running.

I don't have any elbows or bends, straight shots through the unit. I think my problem was the 1/2" pipe originally plus the barbs I used went down to 5/8. I'm going with 3/4 barbs this time, make sure I have no restriction.
Maybe it was 5/8" it's been to long since I did that, but your idea works good also, done that a few times on other aquariums. Also forgot to say, I have no sponges or anything in my reactor so the flow can reach max.
Now for psi, can't really explain it but I just use 25 because I seem to have less back pressure pushing against the co2, even with 2 check valves. The number to isn't as important as how well it diffuses. Hope it works out well!
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Old 11-18-2014, 12:17 AM   #769
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Just a funny thought, what if you place a ceramic diffuser inside the reactor? will this increase the dissolving rate?
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Old 11-18-2014, 03:10 AM   #770
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I built one of these a few weeks back after much research within this thread and elsewhere. The process would have been a lot easier if the pictures from the original post were still available and if the exact parts were outlined in one spot. I read a bunch of requests for others looking for this information, so if you happen to be one of them, I hope you find this post helpful.

I originally purchased the Whirlpool filter housing from Lowes and it leaked like crazy. The one I had didn't come with an O-ring. I'm unsure if it was missing from the box or if the unit simply doesn't come with one. Nonetheless, I returned that unit and got the GE one from Home Depot. It does include an O-ring and hasn't leaked whatsoever. I recommend you use the GE one based on this. The pictures below include the Whirlpool unit, but everything with the GE unit is exactly the same for all intents and purposes. All parts listed below were purchased from Lowes with the exception of the filter housing. The associated item numbers and descriptions are from Lowes. You can skip the shutoff ball valves if you want, but it's probably best to include them. You may need additional tubing for the outflow of the reactor to the tank. I recommend Watts braided vinyl tubing since non-braided may kink and cause problems with flow.







--------------------------------------------
A.
Water Filter Housing

At the time of this writing, here are the two most popular opaque water filter housing options that are available from Home Depot and Lowes. Based on my experience as noted above, I recommend you purchase the GE unit from Home Depot.

Available at Home Depot:
GE 3/4 in. Inlet Whole House Water Filtration System
Model Number: GXWH04F
Store SKU Number: 319246
Internet Number: 100471282

Available at Lowes:
Whirlpool Opaque Whole-House Pre-Filtration Housing
Model Number: WHKF-DWH
Item Number: 89374

--------------------------------------------
All other components (available at Lowes):
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B.
Description: Genova 1/2-in x 3/4-in Insert Male Adapter
Item Number: 54137
Quantity: 2

Note: The 3/4" insert size is correct, but you may need a different hose adapter size based on the diameter of your filter's hose. The 1/2" hose adapter size fits well for my Eheim 2217.

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C.
Description: American Valve 3/4-in PVC Sch 40 Female In-Line Ball Valve
Item Number: 21482
Quantity: 2

Note: You can exclude these if you don't want to use them. They're used as shutoff valves for easy removal of the filter housing.

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D.
Description: Orbit 6-in Cut-Off Riser (3/4-in x 3/4-in)
Item Number: 194532
Quantity: 3

Note: Only one of these is needed if you exclude the above shutoff valves. These need to be cut if you want to save space in between the necessary components for which they're used. Only one end can be cut, so make sure you cut the correct end. I cut 4 of the adapters off instead of 5 in order to retain a little bit of space once put together. Please view the picture to see the end result.

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E.
Description: LASCO 3/4-in Dia PVC Sch 40 Tee
Item Number: 317762
Quantity: 1

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F.
Description: Watts 3/16-in x 1/4-in Brass Barb Fitting
Item Number: 69301
Quantity: 1

Note: This was a somewhat tight fit within its accompanying female adapter (#90379 - listed directly below), though both pieces come from the same manufacturer and the sizes are correct. The tight fit hasn't been a problem.

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G.
Description: Watts 1/2-in x 1/4-in Brass Pipe Fitting
Item Number: 90379
Quantity: 1

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H.
Description: LASCO 3/4-in Dia x 1/2-in Dia PVC Sch 40 Bushing
Item Number: 51275
Quantity: 1

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I.
Description: Silver-Line Plastics 1/2-in x 2-ft 125-PSI Plastic Coil Pipe
Item Number: 518528
Quantity: 1

Note: This tube needs to be cut and I cut it down to 9". This fits perfectly inside the available attachment within the cover of the filter housing without the need to use any adhesive.

--------------------------------------------
Miscellaneous components (available at Lowes):
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Description: Blue Hawk 43-ft Plumber's Tape
Item Number: 456833
Quantity: 1

Note: Use this on all threads before attaching each component.

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Description: Murray 2-Pack 7/16-in - 29/32-in Dia Stainless Steel Adjustable Clamps
Item Number: 47670
Quantity: 1 (2 per pack)

Note: These clamps are used where the hoses attach to the reactor.
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Old 11-18-2014, 06:58 AM   #771
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Well done! I wish this list had been available when I was collecting parts to build one myself!

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I built one of these a few weeks back after much research within this thread and elsewhere. The process would have been a lot easier if the pictures from the original post were still available and if the exact parts were outlined in one spot. I read a bunch of requests for others looking for this information, so if you happen to be one of them, I hope you find this post helpful.
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