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Old 12-24-2014, 08:26 PM   #1
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How to reduce flow in a eheim 2217 ?

Just got my eheim 2217 for my 44g pentagon.. Good filter so far.. no leaks.. didn't have any issues priming it.. However due to my tanks shape the outflow is too much.. using the spray bar or not.. or pointing the bar upwards or again the glass.. it blows my fish around in one spot or another in the tank..


How do I fix this ? I've heared drilling the spray bar holes bigger will fix it.. Is this true ? Or cant I just turn one of the outlet valves down some ? I tried this and it worked.. only had to turn it slightly and flow is much better now.. But I am worried this will cause damage to the motor by causing too much pressure or strain on it...

What do you guys think I should do ?
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Old 12-24-2014, 10:43 PM   #2
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It's probably not a good idea to turn the output down. Adding more media if you have room will slow the flow. Or you could drill holes on the opposite side of the spray bar so water flows in both directions.
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Old 12-24-2014, 10:57 PM   #3
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If you've read through many threads you'd known that drilling the spray bar is exactly what needs to be done to reduce flow

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