Setting up a new tank from an old one

apastuszak

Candiru
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Sep 4, 2010
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The obvious answer to me seems yes, but I figure I would ask anyway.

I have a 55 gallon tank with a Fluval 304 on it right now.

I have a 44 pentagon I need to set up and I have an aquaclear 300 on it. If I hang the Aquaclear on the 55 gallon for a month, and then fill half the 44 with water from the 55 (and obviously top off both tanks), I shouldn't need to cycle the tank, should I?

Do I need to wait a month, or will the Aquaclear seed with enough bacteria sooner than that?
 

mudbuttjones

Fire Eel
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Jul 29, 2014
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A couple weeks would probably do the trick.

You can skip the old water if you want. There isnt much beneficial bacteria in the water column

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mudbuttjones

Fire Eel
MFK Member
Jul 29, 2014
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Wisconsin
I just swapped my 75g to a 90g with a 40g sump.

All I used were a few sponge filters which were in the parent tank for about a month.

New substrate, new filters (sump) everything new.

Transition went well. I acclimated the fish, no deaths, no bacterial bloom, no signs of stress.

The 90g only ran about an hour to get the temp stable before I made the switch

You'll definitely be OK. Take your time and acclimate the fish correctly.

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xraycer

Arapaima
MFK Member
Sep 5, 2013
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A couple weeks would probably do the trick.

You can skip the old water if you want. There isnt much beneficial bacteria in the water column

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^^this^^
 

convict360

Potamotrygon
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Dec 9, 2013
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Sponge filters are also fantastic for this. I have 3 running that are all ready to be easily moved; no hassle whatsoever

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convict360

Potamotrygon
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Dec 9, 2013
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If you can get a bottle of instant biological bacteria = instant setup for any tanks!
True, but I personally feel more comfortable with the traditional methods when given the choice :p

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PDRed302

Fire Eel
MFK Member
Aug 4, 2011
1,521
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Fort Worth Texas
Setup many tanks using only some seeded filter media and/or substrate from a seasoned tank.

No problems so far, just keep an eye on the levels and don't stock too heavy or add new stock to the existing right away.
 
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