Mini Waterfall In an Aquarium?

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  #1  
Old 08-07-10, 06:49 PM
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Mini Waterfall In an Aquarium?

Well, it's my wife's idea and I think it can work.
She picked up a 48'"x20"x13" aquarium at a yard sale the other day pretty cheap.
Her idea is to put some plants in it to each side of the center and put a mini pond in the center with a water fall that will make some noise in the home.
My concerns for her idea are water flow. I am thinking 1-4 GPM with get her the flow and results she is looking for.
What do you think?
 
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Old 08-10-10, 05:18 AM
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A 1-4 GPM pump should be fine. Add a valve on the output of the pump and you can vary the flow to get the sound you want.
 
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Old 08-10-10, 07:43 AM
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I had thought of that but won't putting a valve on the output stain the motor?
 
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Old 08-10-10, 07:52 AM
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Most pumps can handle a restriction on the output but you don't want to close it down all the way. The pump will need some flow through it for cooling.

The input side of the pump you always want to have the least restriction possible.
 
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Old 08-10-10, 07:57 AM
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OK, thanks for the information.
I had thought about the cooling issue too and that is another reason why I was concerned about cutting the flow down.
I was between pumps worrying about having her buy a 130 GPH pump and finding it was not enough and then having to jump up to the 250 class only to find she had too much water. I know many of the little pumps are variable but not much.
 
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