[nyquil]

ive already asked some stuff about powerheads before, but i dont think i ever asked this.
i have 5 rpb's at 1-1.5 inches, a 4in pleco, and and an albino oscar whose barely less than in inch, and im gonna get some pacus soon. should i get a power head, or should i wait till their bigger? do they mind it when theyre small? can they even swim against it when theyre small? thx
*edit* oh yeah, can someone remind me what kind i should get for a 55g?

 

[LouiCypher]

I don't know about the size issue, but you'd want at least 300 GPH for a 55g.

 

[RhomZilla]

I dont want to start the debate about having too much fish for your tank.
But an AC 400 external would siut your tank good. For a powerhead, a 302.. not too much strong of a current (your RBS are still babies), plus it'll give them dead spots where they can just chill if they dont want to fight the current.