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Old 02-20-2013, 10:35 AM   #1
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how much circulation

How much circulation should I have in my tank. It a 75 gal. I have a 600 gph return pump and a power head that is a 400 model so I'm assuming its 400 gph. What is better for the tank powerheads or ciruclation wave makers
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Old 02-20-2013, 10:46 AM   #2
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Around 850-950 is what I'd aim for and o like wave makers better. They give a better circulation thtewout the tank
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Old 02-20-2013, 10:51 AM   #3
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Would it be better to get more smaller gph or better to try to get a larger Gph one
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Old 02-20-2013, 10:58 AM   #4
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i have 1500 GPH in my 35 gallon, one of my koralia Evos impeller shaft seased up so since i have to replace it i'm going to buy two evo 750 impellers to replace the 550s bumping my GPH to almost 2000.

if you're going to go with a reef setup aim for about 30x the total volume of the tanks flow so for that 75g i would go with atleast 2500, if you want SPS corals then try and hit 50x the volume or more.

you can never really have to much flow fish will be happy with whatever they are in as long as they aren't plastered against the glass
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Old 02-20-2013, 11:04 AM   #5
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Wow!! I guess I'm a little short on flow
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Old 02-20-2013, 11:11 AM   #6
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lol usually with a FOWLR you aim for atleast 10x it allows the water to flow though all the biological filtration of the rock and sand it also helps keep your fish happy as in nature the currents can be pretty wild in some of the shallower reefs. for a FOWLR i'd put two koralia 750 on either side and try and aim them up a bit to get some surface aggitation of the water to get some oxygen exchange but if you have a sump and return pump this could be your surface aggitator while the PH are just circulating water
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