Using breeder boxes for growouts?

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Plec123

Polypterus
MFK Member
Jun 26, 2009
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I recently acquired some juvenile Geophagus sveni and a similarly tiny Caquetaia spectabilis (big thanks to Tangled Up In Cichlids for such healthy fish, already coloring up very well) and I have them in a 10 gallon growout tank right now.
They're all around 1"-1.5", and I only need them to reach about 2.5" to be safe in my main tank.

However, I'm trying to save some space and, for my lady's sake, minimize the space taken up by various aquariums in our home.

Would a fenestrated plastic breeder box within my main tank be a viable way to house these small fish for a couple months while they grow a bit? Or is there a reason this wouldn't work? Would it be too stressful for them when compared to having their own tank?

If so, has anyone tried the Fluval HOB breeder boxes that use an air pump to move water through them? Those seem decent as well, just a little less convenient.
 
To add to what Rocksor Rocksor said.
You can also pump water from one side of the sponge to the other and have a very effective filter.
I have a set up like this filtering a 40 gallon for growing out fry, it works perfectly.
 
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