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Old 08-02-2012, 12:49 AM   #1 
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Water change in a 2.5 gallon tank?

I just set-up my first betta's new tank, an Aqueon MiniBow 2.5, which comes with a filter. I was wondering how often I need to change his water, and how much, since I've seen that some people only do 25-50% water changes but some people change it all.
I'm new to this, so any help would be appreciated :)
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Old 08-02-2012, 02:18 AM   #2 
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I just topped off mine after 6 weeks :O
But for a new 50% and one 100% in a week is the standard. (ie 50% change on wednesdays and 100% change on sundays)
Thia helps keep ammonia down at a nice low level.
Those that do 25% weekly have cycled tanks, (which requires a filter) or may have Natural Planted Tanks, where the plants acts as filter.
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Old 08-02-2012, 01:34 PM   #3 
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Thank you!
And I know this is such a beginner question, but when doing a 100% water change, I need to already have the water ready & conditioned beforehand, right? And then I can just put him back in?
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Old 08-02-2012, 01:39 PM   #4 
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Yep! You can get it ready afterwards though, just make sure to add conditioner before adding the betta to the tank
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Old 08-02-2012, 01:48 PM   #5 
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Try and get the temp of the water change the same or close as possible to the temp of the water he is in. 76-78 is a very good water temp.
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beginner, tank cleaning, water change

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