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Old 01-19-2004, 04:05 PM   #1
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Water movement for a soft coral tank?

After looking at my stock, and what I want in the future.. I realized that the majority (except for maybe one acro but I aven't even decided that yet) are all soft corals (leathers, mushrooms, frogsawn, hammer, ricordia, brain coral, xenia, etc). I just recently stuck in a temp internal filter with nothing in it (filter media) to use as a powerhead and it seems to be moving the corals that are in the tank fairly well, surprisingly. I mean its not pushing THAT much water at all. This got me thinking about what powerheads I really should order... I WAS going to do a Maxi jet 900 and two 1200's... but I am wondering if I should do another combo with lower powered power heads? what do you think?? Thanks!
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Old 01-19-2004, 04:18 PM   #2
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Quote:
except for maybe one acro
Be prepared...they are like lays potato chips, you can't stop with just one. The majority of the people I know that do not admit to SPS being their favorite corals are people that have never kept SPS.

Quote:
frogsawn, hammer, brain coral
These are hard corals, LPS.

The thing about flow is...you want turbulence and turnover, not velocity. Velocity is what tears the flesh from the corals. Get a diverse group of PHs or closed loop outlets and mix the water up as much as possible, you want to shoot for a min of 10 X turn over per hour, including your return pump and max somewhere close to 20 X per hour or more, for soft corals and LPS, I think you will be fine 10 X 15 X per hour flow.
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Old 01-19-2004, 04:47 PM   #3
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so what powerheads would that be more of less.. I see placement.. and I understand what you mean by mixing up the water and not using velocity to wreck the corals. If I go with three Maxi 900's... I'll get about 14x rate with the power heads alone. Should I go with a specific combo in your opinion.. or stick with three Maxi 900's?
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Old 01-19-2004, 04:55 PM   #4
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Specific combos are hard to come up with without seeing the tank, I think 3 MJ 900s will do fine, you want to vary the height and direction of the flow, I might go with a MJ 1200 to blow behind the rocks to keep detritus from settling there.
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Old 01-19-2004, 05:08 PM   #5
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hehe I got that - SHould I be aiming for a chaotic typ flow.. o should I look for a swirl type flow?
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Old 01-19-2004, 05:10 PM   #6
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Deinitely go with chaotic over swirl.
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Old 01-19-2004, 05:11 PM   #7
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cool thanks!
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Old 01-19-2004, 07:42 PM   #8
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power heads...

I have soft coral in my 40 gallon tank. What type of power heads should i get? I think they might need more current.
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