Fluidized Purigen Reactor for Eheim 2213 (or larger)
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Old 05-25-2010, 02:00 AM   #1
billb
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Fluidized Purigen Reactor for Eheim 2213 (or larger)


Well I promised to do his when I posted the larger version and I finally got the parts and some time.
For those who didn't see the first thread, http://www.plantedtank.net/forums/eq...n-reactor.html

I wanted to find a more efficient way to use Purigen with my filter systems. The "bag" approach tends to channel flow around the exterior and I would always end up with some dark regions and lot's of white purigen that hadn't been exposed to impurities.
A fluidized bed approach is ideal but i couldn't find a good reactor that could work with such small beads. I built a larger reactor that worked with my high flow filter systems for my 90 gallon and for my 60 gallon. These have been working very well. Here is the original thread
http://www.socalaquascapers.com/foru...ead.php?t=4676
So The current reactor is smaller and designed to work with my 12 year old Eheim 2213 which is on a 10 gallon tank.
The parts
- Pentek 2 and 3/4" by 5" water filter housing with 3/8" inlet and outlet
- Two 3/8" threaded by 1/2" barbed adapters
- A 2 and 3/4" diameter by 5" pleated polypropylene filter cartridge. This is 30 micron as I could not find a 50 micron cartridge to fit the housing
- about 200ml of purigen - this was too much. I will try 100ml next time to get all of it fluidized
Pictures:

In action. The Purigen is wedged into the pleats, kind of like a diatom filter. The remaining material is split - half in motion and half down on the bottom. I'll use less next time


Check out the video
http://www.youtube.com/watch?v=ttfKuWey-Tc
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Old 05-25-2010, 12:35 PM   #2
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Excellent!

Out of curiousisty, do they make a smaller micron filter? The combo of the Purigen plus micron filter is awesome for water polishing.
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Old 05-25-2010, 03:27 PM   #3
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Hey James,

They do have lower micron sizes. These tend to restrict flow though. 30 micron plus purigen will go along way to keeping the water pretty clear.
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Old 05-25-2010, 03:35 PM   #4
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If only it wouldn't pull all my tannins out. I would be all over putting one or 2 of these together!
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Old 05-25-2010, 05:47 PM   #5
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Hey Craig - you're right. The tannins would be history! What are you keeping?
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Old 05-25-2010, 05:48 PM   #6
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Hey Craig - you're right. The tannins would be history! What are you keeping?
SE Asian Biotope with 31 Betta Albimarginata. You can see pictures if you follow the link in my sig.

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Old 09-29-2010, 12:54 AM   #7
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Where did ya find A 2 and 3/4" diameter by 5" pleated polypropylene filter cartridge?
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Old 09-29-2010, 01:32 AM   #8
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This is a super nifty build!

What did the project cost all together? (Forgive me if it's in your build thread I haven't gotten to it yet... going there now...)
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Old 11-16-2010, 03:00 AM   #9
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Awesome. I love Purigen and hate the same things you do. I have 3 bags in my 2215. I notice I get way better results and instantly seen results by putting one bag in my AC 20 and put that on the tank. Meaning, the other bags are basically not working much at all.

I am going to try this, the best part is the work is very little. Good use of everyday products, I don't mind getting my hands dirty but it's always better when something just works.
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Old 05-10-2012, 12:22 AM   #10
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I know it is bumping and old thread but any reason not to get the one with the pressure relief valve this would make it much easier to get the cannister off to service the filter. Looking around now for the parts and I see I can get it either with or without the pressure relief valve.
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Old 02-10-2013, 10:15 PM   #11
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Reactor question. Modeling after this reactor; Can I convert my H.O.T. magnum with micro filter? The design flow looks the same but am I going to have a tank full of purigen?
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Old 02-10-2013, 11:51 PM   #12
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Ok, so I am awesome! The HOT magnum reactor works better than the home depot parts reactor. Which all costs the same because I opted for the GE clear housing ($38) plus pvc parts and filter pack came to $65.31

I built a reactor to be powered off my SunSun 303B, but the flow was severely restricted. The housing drops diameter to 1/4 inch from a 5/8th inch tube. So I did a little parts swap with filters and now my tank is kicking so much ass!

Connected the Biowheel from Magnum to my SunSun canister and turned the HOT magnum ($58.12 amazon) into a Purigen reactor.
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Old 02-11-2013, 08:01 PM   #13
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can you show some pics of this? did you just add the micron filter and pour the Purigen around it?
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