Difficulty Installing In-line Reactor - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 07-18-2006, 12:04 AM Thread Starter
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Difficulty Installing In-line Reactor

When I installed Rex’s reactor yesterday morning, my Eheim 2213 got an air bubble in it and no matter what I did, I couldn’t seem to get rid of it. I installed the reactor vertically on the output end of the filter. The canister filter (placed below the tank) was closed off so the water level in it was unchanged. After priming all I could manage was a lackluster flow. The lower down I placed the tubing into a bucket beside the tank, the better the flow. Whenever I plugged it back over the brim and into the spraybar, I got the poor pressure and within a short time a bubble had built up again in the filter and it stopped. When I took the reactor out of the tubing, the bubble quickly got pushed out and all was well. All I can think of is that the air in the reactor is pushing back into the filter. Any advice?
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post #2 of 5 (permalink) Old 07-18-2006, 12:55 AM
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I would do this;

Remove your canister and clean it. emptying the water stored in it.
Before filling it back up, attatch the reactor.
Fill up and turn on the filter. This will cause more pressure and hopfully push all the air out of the reactor.

Ehfipimp #273 ( Eheim Classic: 2260, 2217, Eheim Ecco: 2236, 2232 ) Fluval FX5

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post #3 of 5 (permalink) Old 07-18-2006, 01:21 AM
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After I clean my filter I need to invert the reactor to force the air out of it, just be careful that none of the hoses come off.....yes that happened once. Also turning it at an angle seems to help purge some of the air as well


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post #4 of 5 (permalink) Old 07-18-2006, 11:21 AM Thread Starter
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Good advice. Any idea how the air is getting into the cannister? Is an air bubble in the cannister stalling the water flow and then the air bubble in the reactor flows into the cannister?

Also should the Eheim 2213 be strong enough to handle a full-size in-line reactor? Around a year ago I used another reactor (this one with bioballs) between the intake and cannister and it did work. It slowed down the flow and I didn't like the idea of the reactor getting mucked up from the intake, so I moved onto a diffusor. Now I want to retry a reactor but on the out-take side.
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post #5 of 5 (permalink) Old 07-18-2006, 01:07 PM
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Here's the trick I use to get air out of the Eheim after cleaning the filter:

1. Unplug the filter.
2. Shut off the quick disconnect valve on the outflow, and unscrew and pull apart the connection.
3. Make sure the inflow quick disconnect is connected and the valve is open.
4. Hold the outflow valve over a bucket or something to catch the water and open it.
5. Wait until you have a nice smooth flow of water and shut the valve.
6. The air is now gone and you can reconnect the outflow.

(If the water doesn't flow in step 5, you may need to start a siphon going).

- Joe
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