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Should I fill urn/fountain with rocks ?

droopycom's Avatar

Join Date: Nov 2005
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05-14-17, 06:00 PM   #1 (permalink)  
Should I fill urn/fountain with rocks ?


I have an Urn Fountain. It's set up on top of reservoir. The pump is in the reservoir and is connected to a tubing in the center of the urn, going all the way up to about 1 inch below the rim of the urn.

So the water comes up the tubing and overflows on the sides of the urn.

My concern is that the water at the bottom of the urn does not circulate. The urn is about 3 feet tall and about 1 feet diameter.
I was thinking about filling the urn part way up with rocks but I wasn't sure it would do any good, or actually make things worse.

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chandler's Avatar
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05-14-17, 06:17 PM   #2 (permalink)  
It won't make things worse, it just won't do much good. Unless water from the urn is mixed at its lowest point into the reservoir, then the water will possibly stagnate due to no circulation. BUT, mixing that much water in the reservoir may overflow the reservoir. Is there a way to install a baffle in the urn to keep the water in it only at, say 5" or so? That won't require any water in the bottom of the urn and will minimize the water needed to overflow it.

Pilot Dane's Avatar
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05-14-17, 06:53 PM   #3 (permalink)  
I think it might make things worse. If you fill up the urn with stones there will be lots of blind, dead stagnant spaces. Must the water be piped up to the surface? Can you introduce the water into the urn at the bottom so it rises up through the whole vessel before overflowing? Other options might be to make a small hole into the pipe/hose near the bottom of the urn to introduce fresh water near the bottom, or drill a small hole in the bottom of the urn so some of the bottom water is constantly draining out.

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05-14-17, 07:31 PM   #4 (permalink)  
The water at the bottom of the urn certainly does circulate, just not as quickly as the water near the surface. I assure you this is the case. Water is very dense - the surface activity will cause turbulence, etc to the bottom. If you don't believe and wish to test - just put a bit of dye in a small container and open it at the very bottom of the urn.

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