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Old 12-30-2013, 02:07 PM   #1
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Over flow rating

How can I find the over flow rating for my tank? I need to know so I know what size of pump I need. Thank in advance!
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Old 12-30-2013, 02:35 PM   #2
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What type of overflow do you have? Whats.your tank size ?
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Old 12-30-2013, 02:53 PM   #3
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The tank is a 90 gallon and it's a pre drilled in the one corner
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Old 12-30-2013, 03:05 PM   #4
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I'd look into getting a pump around 1000-1300 gph. The overflow that's made for the tank shouldn't have a problem handling it
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Old 12-30-2013, 03:25 PM   #5
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Ok thanks a lot and if it's to much I could always tone it down with a t valve ...
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Old 12-30-2013, 03:53 PM   #6
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Ok thanks a lot and if it's to much I could always tone it down with a t valve ...
You can yes. 900 gph wouldn't be to far off of the 10 Times filtration because you have to figure in head hight
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Old 12-30-2013, 04:27 PM   #7
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Head height? Please explain.
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Old 12-30-2013, 04:31 PM   #8
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Head height? Please explain.
How high the pump has to push the water, the higher it has to push the water, it slows down the flow rate. So it flows faster 2' high than 4' high, so you have to take into account the 'head' height for the actual flow rate of the pump.
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Old 12-30-2013, 04:31 PM   #9
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The pressure on the pump from trying to push the water up to the tank. In other words it will slow the gph a good bit so you have to make up the difference and get a bigger pump
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Old 12-30-2013, 04:32 PM   #10
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How high the pump has to push the water, the higher it has to push the water, it slows down the flow rate. So it flows faster 2' high than 4' high, so you have to take into account the 'head' height for the actual flow rate of the pump.
Thanks beat me to it
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