too big of a pump?!?!

  • We are currently upgrading MFK. thanks! -neo
N

new2natives

Fire Eel
MFK Member
Dec 1, 2007
1,266
6
68
ohio
A friend gave me a pump to use ...

3700gph !!!
Is that too much current for a 180g tank?

I was pumping 2000 them my pump went out so I was using a 900gph which I felt wasn't enough so he told me I could take this...

My return is 1" pvc, with the spray head being 19" long with 15 holes at 1/2"

I thought about using a ball valve to reduce the flow, but it seems to me it would hurt the pump to restrict it ???

Thanks
 
Assuming you are using a sump put a T in the line and a valve that returns to the sump. Control your flow that way. Basically instead of restricting the pump you are recycling the water.
 
Is it a magnetically driven pump?
If so, restricting the output will not harm your pump or motor.
Larger holes in your spray bar might be an option.
If you can, diverting excess flow back into the sump just makes more sense than just chocking off the return.
 
3700 GPH? Wow! You're gonna love your electric bill!
 
I had a 3700gph on my 220 7'x2'x26" I loved the current, but it was very well distributed through a UGJ system. Man I miss that setup, but my pump was energy hungry 480watts. I figure after all the restriction it was actually closer to 2500gph though.

Head Height (in feet) Gallons per Hour 0' 4200 1' 4116 5' 3672 10' 3110 20' 1830 25' 960 28' shutoff
 
Oh no ... I didn't even think about the electric bill ... She's gonna kill me!!
Is there any way to calculate how much more power its gonna use ?!?!?!?

She already thinks the power bill is too high running 5 tanks lol
 
Yep find out your cost per Kwh and then find the watts used by the pump.

For example

300Watts pump at 0.10 per kwh

0.3kwh per hour X 24 hours = 7.2kwh per day = $0.72 per day X 30 days = $21.60 per month.
 
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