Water circulation in a 75g? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 4 Old 11-17-2012, 04:00 PM Thread Starter
Stoke88's Avatar
Water circulation in a 75g?

I'm currently putting together a planted 75g aquarium that will soon house a pack of Sterbai's , Cardinal's and Angelfish. What would be a good size Hydor pump to get some water circulation going in the tank? I don't want to stress anybody out with to much water movement but would like a little flow to keep the water moving. Any suggestions?

10g - Red Cherry Shirmp
20g long - SE Asia "Biotope"
30g - Jasper's (GF) Tank
75g - South American "Biotope"
Plenty of empties...
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post #2 of 4 Old 11-17-2012, 04:01 PM
Geomancer's Avatar
No power head is needed ... just the canister filter is more than enough.
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post #3 of 4 Old 11-17-2012, 04:37 PM
Byron's Avatar
Agree. A canister rated for the tank size is more than adequate. For the fish named (and plants too), you do not want fast currents. I position the spray bar along an end wall, with the line of holes aimed into the wall itself at a downward angle so the water flow is directed down the wall and across the tank [the filter intake should be at the opposite end from the spray bar].


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #4 of 4 Old 11-17-2012, 05:17 PM
fish monger's Avatar
Right. None of those fish appreciate much current and your plants will do better with less also. Your filter will provide more than enough circulation.

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