Guidance around Eheim Filter

onetwothree

Member
Joined
3 Jan 2020
Messages
28
Location
Leeds
Hi All,

I'm new to this hobby and recently picked up a number of second hand bits for my first tropical tank. Naturally, I'm keen to make sure this right before I start turning things on, starting my first cycle and ultimately risking any innocent fish lives.

I got an Eheim Professional 2327 filter included with a 125 L tank i got second hand (along with a number of other things). I believe the filter is fairly old, and the only guidance i've been able to find around it is the following - https://www.aquariumline.com/catalog/pdf/ingis_wet_dry_filter_2227_2229_2327_2329.pdf. However, from what I've read, when new it was a respectable piece of kit and can last a long time.

I have a few questions;

1. Does anyone have any general guidance for setting up this filter?
2. The filter has 3 ports for hoses, (inflow/outflow + a middle). Most external filters I see on the market have just two ports for what's the purpose of the middle one and can it be used without?

Pics below for reference

https://ibb.co/9qp6RyC
https://ibb.co/mSGBkGS

Thanks,

Alex
 

dw1305

Expert
Joined
7 Apr 2008
Messages
10,523
Location
nr Bath
Hi all,
Eheim Professional 2327
It is a "wet and dry" filter, which drains itself on a regular basis and then re-fills. I haven't owned one, but I assume the 3rd hose is to do with this wet and dry bit.

You can get all the spare parts for them and the Professional 2 units are pretty straight forward and reliable, I have a couple of 2224 and a 2226 that I've owned for ~10 years without any issues.

cheers Darrel
 

jolt100

Member
Joined
13 Jan 2008
Messages
110
Location
bury,lancs
Hi, I haven't used the 2327 but I believe the middle hose is the breather and should vent into the top of the tank above the water line.
The filter empties itself at intervals so it may be via this pipe so don't try leaving it off
Cheers
John
 

Paul L

Member
Joined
14 Nov 2015
Messages
30
The third (thinner) pipe is the trickle outlet (always flowing)
The other outlet pipe (thick one) is the wave outlet (quick discharge). It creates a wave effect.
As the canister fills, the water level in your tank will drop a little, then when it surges the level will return to its top line.
I used a 2227 on a reef tank in the early 2000's. The tank inhabitants, fish and corals etc appreciated the wave effect.
 

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