Weir/waterfall spillway/waterfall blade Construction


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Has anyone made a weir out of HDPE/acrylic/stainless steel? (That's still around anyway, I emailed koiguy about week ago and haven't heard back)

I’m wanting the water from my elevated bog to spill back into the pond via a waterfall. My bog is a 300 gallon Rubbermaid stock tank so I’m planning on cutting a hole under the rim to attach the spillway via stainless fasteners and silicone.

I figure I can manufacture one easy enough, I just need to know specifics on material thickness? I’d guess that 1/2” HDPE would be enough to withstand the weight. Thoughts on whether acrylic would be the same or thinner/thicker?

I have a welder friend who can fabricate a stainless one, but sometimes I just want to mess around with the heat gun!
 
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Im in the same boat. I emailed him a few weeks ago. This is what I am going to do, unless I find a better solution. I going to buy a waterfall at Lowes, and cut the spillway off of that.
 

brokensword

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I didn't like the price of the manufactured spillways, so I sort of went and made my own out of a storage container from Lowe's. I simply cut a slot an inch below the lip (so the lid would still fit and I could place a camouflage rock on top that would over hang) and installed a bulkhead fitting and valve to control the amount of flow. And I painted it black so as to hide its composition more easily. Works great. I have two of these. Accessorize with plants and rock and you'd never know Nature didn't put them there...

200714 - pond, wLilies, turtles, fish 12.jpg
200714 - pond, wLilies, turtles, fish 11.jpg
 
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I’m not wanting a “natural” style waterfall, I’m looking for a clean sheet of water returning.

Besides, I would need a billion dollars worth of rubble stone to hide this sucker that way. Which I don’t want. I’ll be building a cedar “planter” to fit other flower beds in the yard.

200726-Bog.jpg
 
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This waterfall is plywood, and liner. Will be hidden with stone work.
 

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It is sealed with liner, and covered with stone.
 

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