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Thread: Cerges' Reactor - DIY Inline CO2 Reactor Reply to Thread
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Topic Review (Newest First)
11-18-2014 06:58 AM
kman Well done! I wish this list had been available when I was collecting parts to build one myself!

Quote:
Originally Posted by micca View Post
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.
11-18-2014 03:10 AM
micca 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):
______________________
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.

______________________
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.

______________________
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.

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

______________________
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.

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

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

______________________
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):
______________________
Description: Blue Hawk 43-ft Plumber's Tape
Item Number: 456833
Quantity: 1

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

______________________
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.
11-18-2014 12:17 AM
AlanLe Just a funny thought, what if you place a ceramic diffuser inside the reactor? will this increase the dissolving rate?
09-18-2014 04:35 AM
sketch804
Quote:
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!
09-17-2014 01:46 PM
bsantucci
Quote:
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!

Bump:


Got mine set at 25psi. Just my preference.

Bump:

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.
09-17-2014 08:22 AM
sketch804
Quote:
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!

Bump:
Quote:
Originally Posted by theknight View Post
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.

Bump:
Quote:
Originally Posted by bsantucci View Post
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.
09-16-2014 04:27 AM
theknight
CO2 Regulator Pressure

Just a quick question, those with DIY water filter cerges, what pressure do you set your CO2 regulator output?
09-16-2014 03:56 AM
bsantucci 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?
09-14-2014 03:05 PM
IiScaPeJuNkiEiI hahaha... After looking closer I just realized I have mine hooked up backwards... *ugh*

No wonder why I still have bubbles in the tank...sheesh
09-14-2014 03:50 AM
bsantucci 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/B007VZ2O2O/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1 http://www.amazon.com/gp/product/B007VZ2O2O/ref=oh_aui_detailpage_o01_s00?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.
07-12-2014 10:58 PM
evilsway https://www.youtube.com/watch?v=eMSWx7xAe78


Hey guys, got mine built. Big thanks to Everyone.
07-10-2014 03:49 PM
scapegoat
Quote:
Originally Posted by FishStix View Post
Do you have the reactor on it own pump? I order a Mag7 pump with Fractioning Impeller just for CO2 reactor, as some others suggested so I am very interested to see how this works. I hope to start setting up my tank in a few weeks.

Thanks for info.
I don't. I have it inline with the whole system. It would probably do better on it's own, slower, pump. The problem I'm seeing is how to plumb it up well. The benefit of it being inline with the sump is that it gets cleaned water. I have a canister I'm not using though... so I could play around with that for the time being.
07-10-2014 03:36 PM
FishStix
Quote:
Originally Posted by scapegoat View Post
I have a similar sized blue colored one for my 125g w/ 40g sump. I'm still dialing the thing in... I think two may be better than one. I'm not sure if my flow rate is too high, but I still get a lot of bubbles.

I have the co2 line ending in front of the return pump, with an air stone attached. my canister is filled with some sort of pond sponge, it's not very dense, and capped with some quilt batting. still a ton of bubbles... i've put a ball valve on the outlet of the canister to cut down on flow and increase pressure... still a ton of bubbles. I'm debating on purchasing a second to increase the amount of time the co2 spends suspended in the water.
Do you have the reactor on it own pump? I order a Mag7 pump with Fractioning Impeller just for CO2 reactor, as some others suggested so I am very interested to see how this works. I hope to start setting up my tank in a few weeks.

Thanks for info.
07-09-2014 08:18 PM
Solcielo lawrencia
Quote:
Originally Posted by FishStix View Post
Anyone have any thoughts on this canister I bought for my reactor? Do you guys think it too large and I should get one that smaller?

Thanks
Some people use the 20" one with good results. It's hard to go wrong with bigger. If your concern is about overkill, it may be. Or not. Like scapegoat mentioned, various factors affect dissolution and bubbles may pop out.

One thing to note about gas bubbles in water is that at a certain point, the water immediately surrounding the bubble becomes super-saturated and can't absorb any more CO2. When this happens, the gas can no longer dissolve. This may be the issue scapegoat is referring to, though it will be difficult without knowing the exact setup.

Scapegoat, what you describe sounds like the pump is chopping up the bubbles before it enters the filter housing, is that correct?
07-09-2014 02:29 PM
scapegoat
Quote:
Originally Posted by FishStix View Post
Anyone have any thoughts on this canister I bought for my reactor? Do you guys think it too large and I should get one that smaller?

Thanks
I have a similar sized blue colored one for my 125g w/ 40g sump. I'm still dialing the thing in... I think two may be better than one. I'm not sure if my flow rate is too high, but I still get a lot of bubbles.

I have the co2 line ending in front of the return pump, with an air stone attached. my canister is filled with some sort of pond sponge, it's not very dense, and capped with some quilt batting. still a ton of bubbles... i've put a ball valve on the outlet of the canister to cut down on flow and increase pressure... still a ton of bubbles. I'm debating on purchasing a second to increase the amount of time the co2 spends suspended in the water.
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