Q&A for How to Build a Waterfall

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Where can I find the dark foam sealant?

Community Answer

At a Pond supply store, Landscape & Irrigation supply store, maybe Home Depot etc. They should have it at any store that sells pond liners and supplies.

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Question

Exactly what kind of pump do I need to buy? Does it have to pump a certain number of gallons per hour?

Community Answer

Pond supplies stores online and in larger cities will carry submersible pond pumps specifically designed for pond use. It is best to know a few things before hand, then contact the supply store with the info you have, and they will make a recommendation. First know how wide you want the waterfall to be (say, 13"). Then know how deep you would like the water at the falls it to be; an inch or two is common. Then find out how much of a difference there is in height from the top of the lower pool to the top of the upper pool, or waterfall exit. The sales person will know what pump can handle that flow and total lift.

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Question

How do I stop water from running backwards on a slate fall?

Community Answer

Make sure the slate is tipped forward enough, and try getting the water to drop farther out on the face of the slate.

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Question

How do I create a desktop waterfall?

Community Answer

I would use some ideas from wikiHow's article on making a tabletop fountain to make your desktop waterfall.

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Question

Which machine do I need to use to rotate the flow of the water?

Community Answer

You simply need a submersible water pump.

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Question

Is an upper pond necessary?

Luna

Community Answer

No. You do not need an upper pond. Your water can simply fall from your spillway down.

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