Filtaration for a pirahna

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I always use at least double the filtration for messy fish. If you have a 55 gal with one pirhana, I recommend 2 AC70 filters.
 
Mad-eye Moody;812824; said:
Approximately 5ft diameter and 1.5feet high circular pool. About 100 gallons (made of hard material not balloonish type) Can you post some pics of it.

I realize that you plan on putting piranha in this pool. I think though you could get a better response for filtering your pool in the "indoor pond" forum. What you have is different from a regular tank, more like an indoor pond.

For Piranha you will want over filtration, when I had 3 6-7" RBPs in a 65 gallon tank, I had to go with a peguin 350 and a wet/dry sump to properly filter tha tank.
 
I have a 125 with a Fluval FX5, a magnum 350, a magnum 220, and a AC110.
 
My last p tank was a 180...On it I had:

BIOLOGICAL
2-RENA Xp3 FilStar canister filter...
Homemade wet dry filter

MECHANICAL/CIRCULATION
2-Aqua Clear 101
AC powerhead 901

If I still had the tank, I would of added another wet dry filter to it and another RENA Xp3, and a third Aqua CLear 101....
 
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