What size powerheads

Nittro22

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I have a 150g 72x18x29 and need to get new powerful powerheads. I’ve been looking at the hydor 3g. Would I need 2 of the 1950gph or 2450gph to get enough flow? And would you recommend a controller or have both on constantly?
 

HAVE YOU EVER KEPT A RARE/UNCOMMON FISH, CORAL, OR INVERT? SHOW IT OFF IN THE THREAD!

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%
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