Adding A Second Filter

njd2

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Hi

I have a tank set up with green spotted puffers.

The tank has a good internal filter, however I just remembered I have a spare external filter and all new filter sponges for it. I was thinking as the puffers are messy - I should add the external filter as I have it anyway. Is there any issues to having 2 filters? Is there any issues to putting on a filter with entirely new sponges? I know normally a 'new' filter would mean cycling the tank - but I assume if there is already a filter on and working and the tank is well cyled then this wouldn't be an issue?


Thanks
 

kettlekorn13

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there should be no problem with adding a second filter to the tank. You cant over filter a tank. You could have a 10 gallon tank with a 800 gallon sump and you would still be fine. About the cycling thing, the tank will not have to recycle itsself because you already have the bacteria.
 

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Yep! You can have as many filters on a tank as you like
If you already have one filter that is established, you won't need to worry about the other ones. They eventually become seeded.
 
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