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Old 01-23-2005, 12:42 PM   #1
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Water Movement Question

Looking for a little advice on water movement in my tank.....
I've got a 46 gallon bowfront, FOWLR, 2 Hagen 802 powerheads, one AquaC Remora protein skimmer, and one Emperor 280 Bio-Wheel filter. The powerheads are located at the back corners of the tank and are aimed toward the front middle and are angled slightly downward. My question is... Do I have too much water movement with this setup? I get constant sand movement on the bottom and sometimes it appears my fish are struggling in the current.

Thanks,
John
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Old 01-23-2005, 12:58 PM   #2
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What is the GPH for those heads???? Alot of times fish will swim in the current on purpose... it may appear they're struggling but they're just havin fun......
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Old 01-23-2005, 01:00 PM   #3
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its great exercise
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good luck keith
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Old 01-23-2005, 01:35 PM   #4
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The Hagen 802 powerheads are each rated at 400 gph and are recommended for max tank size of 75 gallons.

John
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46 gal Bowfront
36 inch Coralife 192 watt Lunar Aqualight with a 10K & Actinic
1 Emperor 280 Bio-Wheel Filter
2 Hagen Aquaclear 802 Powerheads with Quick Filters
1 AquaC Remora Protein Skimmer
1 200 watt Heater
52 pounds of Live Rock
2 Blue/Green Chromis
1 Ocelaris Clownfish
1 Hairy Mushroom Coral
1 Scarlet Skunk Cleaner Shrimp
8 Dwarf Hermit Crabs
10 Turbo Snails
10 Margarita Snails
5 Cerith Snails
5 Bumblebee Snails
1 Queen Conch
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Old 01-23-2005, 01:45 PM   #5
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That's a perfect amount of flow. 10x is the norm, so you are just above that. Try to angle them towards the top so you can ripple the surface.

Mike
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Old 01-23-2005, 01:57 PM   #6
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Agreed. You've got great flow. My fish swims in the flow all the time, just for fun. 8)
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Old 01-23-2005, 02:06 PM   #7
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My percs spend most of their day in the area that the flow from the three powerheads meet. Awfully funny
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55 gal. reef. Coralife lunar lights 4 x 65, 120 lbs live rock. Remora skimmer, 3 power heads. 2 tank raise false percula,2 pajama cardinal,hermits, snails, Xenia, leathers, mushrooms, polyp frags, yellow sea cucumber, And last but not least - the miserable mantis.
Terry
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