water flow

Pretty much explains itself really. If you have questions about tank set-ups, tank furniture, (caves etc) chuck them in here!

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Tariq
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water flow

Post by Tariq »

hi i wanted to ask if my powerhead that circulates about 1600l per hour is maybe too strong for my 170 litter tank???
becuase i did hear that zebra's do like a strong current even up to 20 times the volume of the tank per hour.
i hope somebody can help me.
and when i shut down the filter in the evening for an hour for feeding,isn't that bad for my bacteria in my filter or can they survive for an hour?
thanx
Des
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Post by Des »

Hi Tariq,

Welcome to the forum.
In my view your powerheads are a touch too strong. We dont want to simulate a current in a marine tank.
On average my powerheads (with venturi) run at approx 5 times volume and I dont or dont need to switch them off for feeding.

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Des.
Adam
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Post by Adam »

Hi Tariq,

I have a 1000l/hr power head in my 200ltr tank and I would say that is plenty. I would be inclined to say that a 1600l/hr powerhead might be a too much in a 170ltr tank. If your power head has the facility I would turn it down to between 800 to 1000l/hr. That said McEve has bred her zebras with a tank turn over of 6 times an hour where as Barbie has bred hers with a turn over of 30 if I remember correctly. Check the threads for details of this discussion.
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Barbie
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Post by Barbie »

I, on the other hand, turn the tank volume over in a few of my pleco tanks as many as 20 times per hour. You'll have problems getting food to settle properly without some cross current, but the fish definitely don't mind, IMO. If you are going to have fish other than plecos in the tank, it will be too strong, if not, they'll love it. They are built for flowing water and really enjoy the oxygenation.

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Post by Ed_R »

The new fish that I just put in the tank are definitely current-lovers.

THey said to say howdy and thanks to their mom;)
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Post by Barbie »

LOL Ed! They'll definitely enjoy current also. Both of the groups I took fry from were in the first boxes in the condo, meaning the most aeration and actual flow rate with no diffusion from the sponges. I guess at some point I should figure out just how much of a rate that is maybe.

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Tariq
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Post by Tariq »

thanx for the replys guys.
so meaning 1600l per hour in a 170 thank is about 9 times the tankvolume in a hour?
i put my pomps of when i feed becuase the food gets blown away.
i have my zebra couple 4 days now it seems like they havent eaten yet?is it becuase their new and have to settle first or do they eat little bits???
thanx
Adam
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Post by Adam »

Hi Tariq,

I wouldn't worry too much about not seeing the zebras feed. As you've only had them 4 days they need to settle in first, even then you will rarely see them feed as they are mainly nocturnal feeders. I feed my lot Just before lights out, if I feed at other times the food is left uneaten. Like I said don't worry too much about them feeding unless they appear to be very emaciated with hollow bellies.
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