eheim pro 2 with low flo - The Planted Tank Forum
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post #1 of 18 (permalink) Old 04-04-2010, 01:55 AM Thread Starter
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eheim pro 2 with low flo

my 2026 has lost about 50% of its flow. i can tell by the orange flow indicator. i ran through all of the tubes with a brush but it didnt help. would buying a new impeller help me?
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post #2 of 18 (permalink) Old 04-04-2010, 01:59 AM
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Have you cleaned all the media, especially the sponges?





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post #3 of 18 (permalink) Old 04-04-2010, 02:04 AM
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Like Luara said, it is proablably the sponges and such. If you haven't in a while, I would give it a good cleaning.

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post #4 of 18 (permalink) Old 04-04-2010, 02:45 AM Thread Starter
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i have rinsed the course pad pretty well and the fine white pad i replaced.

i also rinsed the ceramic noodles and beads (not sure of their names) could they clog it?
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post #5 of 18 (permalink) Old 04-04-2010, 03:00 AM
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No, just a quick rinse of the biomedia should ensure that they aren't clogged.

Did you clean the impeller shaft? If so, are you sure you seated it properly when you put it back together?

Is there any air in the filter?





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post #6 of 18 (permalink) Old 04-04-2010, 03:05 AM Thread Starter
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yeah i cleaned everything i could pretty well.

everytime i press the prime button a can see a little a little bubble come out but i cant get it out. otherwise that seems fine, the filter runs quiet without any chatter or anything
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post #7 of 18 (permalink) Old 04-04-2010, 04:28 PM
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Check and see if there is any debris caught in the filter head opening where the hose connector block attaches. I had a leaf get caught and it reduced my flow.

Also, do you have a sponge prefilter on the intake? Any other inline devices on the filter?

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post #8 of 18 (permalink) Old 04-04-2010, 11:15 PM Thread Starter
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i have a inline diffusor and an inline heater. but never experienced flow this low
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post #9 of 18 (permalink) Old 04-04-2010, 11:27 PM
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If a bubble comes out every time you push the prime, it sounds like you have an airlock in the line. Do you have excessively long runs of hoses? I have this problem because my tank is 6 feet long and I have to manipulate the lines sometimes after cleaning to get the air out.

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post #10 of 18 (permalink) Old 04-05-2010, 12:49 AM Thread Starter
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the bubble comes out of the filter and half way up the intake hose. then i release the prime button and it sucks back into the filter with the water. do you think that's the problem?
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post #11 of 18 (permalink) Old 04-05-2010, 08:10 AM
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Quote:
Originally Posted by lauraleellbp View Post
No, just a quick rinse of the biomedia should ensure that they aren't clogged.

Did you clean the impeller shaft? If so, are you sure you seated it properly when you put it back together?

Is there any air in the filter?

You need to clean the magnet on the impeller shaft and also stick your finger in the hole and scrape out all the mulm that builds up on the female surface. If this area isn't cleaned regularly, it will slow flow more than gunked up tubes/media. I'm sure that is the problem.

If the impeller wasn't seated properly it would be noisy/obvious.
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post #12 of 18 (permalink) Old 04-05-2010, 11:26 AM Thread Starter
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i cleaned it out with a brush. any other suggestions?
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post #13 of 18 (permalink) Old 04-05-2010, 03:26 PM
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I would verify that the intake & output hoses are completely full of water.
1. Unplug the filter and heater from the wall outlet.
2. Close the valve taps & disconnect them from filter head. Get a pail, put the valve taps in the pail and open them so you get a full flow of water without air bubbles. Close the valve taps.
3. Empty all the water out of your filter. Check to make sure the rubber seals on the media containers aren't damaged or missing. Make sure the Hose Joint is properly connected between the pump head and the top basket.



Also, the fine white pad should be ON TOP of the media basket handle but UNDERNEATH the green lattice screen.



4. Connect the valve taps back to your filter and OPEN the valve tap. As long as the hoses are filled with water, there is no need to push the prime button. Wait until all the air is evacuated from the filter before plugging the filter & heater back into the wall outlet.

Hope this helps, Dee.

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post #14 of 18 (permalink) Old 04-05-2010, 11:23 PM Thread Starter
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deeda! i think you foind my problem. i got my filter used and never had the joint connector. i bet that will make things a million times better!
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post #15 of 18 (permalink) Old 04-05-2010, 11:31 PM Thread Starter
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Thank You!!!
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