How do you switch filters without recycling??
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Old 03-03-2013, 05:50 PM   #1
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How do you switch filters without recycling??

I currently have a 25 gallon tank with an aqueon quietflow 30 HOB filter on it... My bolivian rams keep breeding every month along with my endler livebearers, so I am trying to set up a grow out tank in a 10 gallon tank I have. I recently purchased an AquaClear 70 to replace my aqueon filter on the 25 and plan to move the aqueon to the 10 gallon growout tank... What is the best and safest way of doing this?

My current plan that I am doing is to just run both filters on the 25 for a few weeks to allow the beneficial bacteria to grow and colonize the new Aquaclear 70, and then move the aqueon to the grow out tank, which I will fill fully with water from a large water change from the 25 gallon... Will this work? I also added a little Mardel Biozyme to the Biomax portion of my new filter to hopefully help kickstart it...

P.S. I added a bag of Seachem Purigen to the new filter... Will this have any negative effects on what I am trying to accomplish?

Sorry for so many questions in one post...

Thanks in advance!

- Matt M.
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Old 03-03-2013, 06:03 PM   #2
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If the tank is already established, you will have enough bacteria in the substrate to change the filter without worry.
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Old 03-03-2013, 06:14 PM   #3
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If the media is halfway compatible put some old media or filter pads from the established filter into the new one to speed up seeding the new filter. I personally wouldn't rely on the substrate alone to seed the new filter.
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Old 03-03-2013, 06:23 PM   #4
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Hello Mattymo92,

FWIW, I think your plan sounds good. I like thelub's idea too.

Also, its always a good idea to keep an eye on the readings of the new tank for a bit when you transfer the filter.

The purigen will not adversely affect anything.


Last edited by ehorn; 03-03-2013 at 06:26 PM.. Reason: more comments...
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aquaclear, aqueon, filter, filtration, grow out

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