External Pump Versus submersible?!

  • We are currently upgrading MFK. thanks! -neo

Calmwaters

Feeder Fish
MFK Member
Sep 22, 2007
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Hi, just want to know what you guys can say about this...I have an Iwaki pump that I used in my 300 Gallon tank but it seems to be noisy and I'm thinking of getting a submersible pump instead what are your suggestions on this thing and does submersible pumps consume less electricity cause I notice my Iwaki consumes 1.9 amps Thanks.
 
Hi,

What model pump do you have and is it enough for the system?
 
Some submersibles will help (good or otherwise) with heating the water.
Other than that, get one that has a comparable GPH at the given head height, and get the one that uses less power.
 
So what do you guys suggest I use for a 300 gallon tank? I was thinking of 2 Rio hf 17 what else do you think can I use?
 
I use 2 quiet one 4000 pumps for my 300. I can't hear them run.
 
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