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Old 02-29-2008, 06:10 PM   #1
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Powerheads-how many?

I've avoided putting anything in the main tank but I have some areas that are low flow and 'I think" I have too many soft squishy sponges init. I know that powerheads are suggested for low flow areas but how many do most folks have in their tanks? Also, how big of a powerhead should I get? Can I place the powerhead behind the LR to hide it (my LR doesn't lean against the back glass)?

Maybe some sponges are ok but I don't like all of the ones I have. Should I manually remove them?

Jeeze! You'd think I was playing 20 questions here or something
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Old 02-29-2008, 06:22 PM   #2
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I have a 55 gal, two maxijet 1200s, and a hydor koralia 4. The direction they are pointed also makes a difference. I like the koralias, give a more intermittent flow. I guess you could hide one behind rocks, as long as they don't block the flow.
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Old 02-29-2008, 06:26 PM   #3
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I like the hydors too, nice gentle cone shaped flow. I've had snails crawl across them and be fine.
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Old 02-29-2008, 06:45 PM   #4
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I agree with Scott. Hydors or Tunzes are great for flow.
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Old 02-29-2008, 08:53 PM   #5
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I got rid of my Maxijet600 that was on a side wall shooting towards the front glass, and replaced it with a Koralia 2. The Koralia 2 is on the back wall, behind a rock and it's doing a double bank shot off the side glass to get the flow up front. When I left the house this morning, I had a snail cleaning up the front "screen" of the Koralia and one crawling across the inlet screen. I'd recommend them!
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Old 03-01-2008, 09:07 AM   #6
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Just remember that sponges are filter feeders and that`s a good thing when it comes to your tank. As far as the PH`s I`m a SEIO person. My returns which are mag 12 and a mag9.5 make up most of my flow. I do have a seio in my SPS corner.
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Old 03-01-2008, 09:14 AM   #7
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I have 2 Koralia 3's, 2 AC 70's, a RIO 600 plus my return (1200gph minus head loss) in my 125.
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Old 03-01-2008, 10:25 AM   #8
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I recently looked at replacing my three maxi-jet 1200s. The LFS suggested I try the Sure Flow maxi-jet mod instead, since my pumps still worked fine. They will increase the flow of a maxi-jet 1200 from to 1200gph to 1600 or 2100gph (depending on the impellar you install). I bought three upgrade kits along with three SureGrip magnet mounts. I tried the 2100gph mod and found it was an insane amount of flow. Now I have the 1600gph option on all three powerheads and it works great.
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Old 03-10-2008, 04:15 PM   #9
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I have a 30 gallon. Is it ok to just have the return from my sump as the only flow in my tank? I am kind of confused as to how much current is a good amount.
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Old 03-10-2008, 05:46 PM   #10
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Quote:
Originally Posted by lando View Post
I recently looked at replacing my three maxi-jet 1200s. The LFS suggested I try the Sure Flow maxi-jet mod instead, since my pumps still worked fine. They will increase the flow of a maxi-jet 1200 from to 1200gph to 1600 or 2100gph (depending on the impellar you install). I bought three upgrade kits along with three SureGrip magnet mounts. I tried the 2100gph mod and found it was an insane amount of flow. Now I have the 1600gph option on all three powerheads and it works great.
Basically the same idea as a koraila or a nano stream. The only difference is the koraila and nano streams use about half the power as a maxi. But I totally agree with doing the mod on something you already have instead of buying something else.

I've thought about modding one of my maxis just to see how well they work.
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