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External filter maintenance
#1
I’ve read / heard different things so just asking for people’s own experiences or opinions on what they do:

I have an external filter which has been up and running since January this year. I stocked the tank in March once it had cycled.

I have not touched the filter since (save for putting Purigen in the top compartment shortly before adding the fish).

When do you “clean” the filter? I know that when you do clean, you should give sponges and filter media a quick rinse in old tank water, but how often? The output flow on mine is the same as it was when I started. 

If a filter is not cleaned how long do you think it could go on for?

Thanks in advance.
Fluval 240L with 306. Water 1.68 dGh. 

19 Harlequin Rasbora, 15 Rummynose Tetra, 10 Panda Corydoras, 2 Bolivian Rams and 2 Amano shrimp.
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#2
I literally never clean my filters unless the flow drops, that or i do something silly and kick up a load of mess in tank from the filter (which remind me it might be an idea Big Grin).
 😇 Heaven doesn’t want me...
And Hell is afraid I’ll take over! 😈
[-] The following 1 user Likes Gingerlove05's post:
  • grommit
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Thanks given by: Netsu , grommit
#3
I'm with Gingerlover here - if it ain't broke, don't touch it. I don't currently run my canister filter (my big tank is currently sat empty) but back when I did I only cleaned the filter when the slow noticeably slowed down... which was probably about every 3-6 months.

When "cleaning" it, I literally just removed the sponges and gave them a "waft" around in a bucket of tank water and a very gentle half-squeeze. Not even a rinse or proper squeeze, just enough of a gentle waft that it dislodged the worst of the crud. That was always plenty to allow water to flow again at a reasonable rate and give me another few months.

The less you can disturb your filter, the better.
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Thanks given by: Netsu
#4
Thanks! I keep reading about others who are doin it and I’ve not done anything with mine for over 8 months!
Fluval 240L with 306. Water 1.68 dGh. 

19 Harlequin Rasbora, 15 Rummynose Tetra, 10 Panda Corydoras, 2 Bolivian Rams and 2 Amano shrimp.
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#5
I do as the others have said only when I notice the flow slow down.Probably every 4-5 months.
The bio rings get a good swill to remove any crud,the sponges get a good squeeze and swill till they look clean.I then dont feed for a couple of days while the filter bacteria settles.

Sent from my SM-A600FN using Tapatalk
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Thanks given by: Netsu
#6
I am thinking about doing mine this week water flow looks a bit slow done mine 5 months ago.
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#7
3-6 months depending on the fish in the tank etc. I’d wait as long as I could. If it wasn’t too bad I’d know to wait longer next time and vice versa


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Thanks given by: Netsu
#8
Our external filter died on us a week or so ago, not had it one year yet. Got in touch with suppliers and they asked us to send it to them but also asked about when we last ‘cleaned’ it, a blockage could have caused it to die, and you know where I’m going with this, if so not not covered under the guarantee. Ha , not_happy.com.
So whilst I understand about not messing with things, this makes us think !
Bikini Bottom - 168l
Bronze & Albino Cory, Black Widows, Cherry Barbs, Green Tiger Barb (rescues), Amanos.
The Kremlin - 58l 
Bronze Corys.
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Thanks given by: Netsu
#9
Now I’m worried!
Fluval 240L with 306. Water 1.68 dGh. 

19 Harlequin Rasbora, 15 Rummynose Tetra, 10 Panda Corydoras, 2 Bolivian Rams and 2 Amano shrimp.
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#10
We will definitely check both tank filters after what happened, won’t mess too much with the filter media just check over for gunge, blockages and anything not looking right. I’ve put a note in my dairy for a six month check.
Bikini Bottom - 168l
Bronze & Albino Cory, Black Widows, Cherry Barbs, Green Tiger Barb (rescues), Amanos.
The Kremlin - 58l 
Bronze Corys.
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