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Which Pump is Best??



 
 
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  #1  
Old April 4th 04, 11:52 PM
Steve Shapson
external usenet poster
 
Posts: n/a
Default Which Pump is Best??

I've finished building my pond (18'x18'x2'/attached to a 55' long 2' wide
stream up to a waterfall at a grade 4 feet above the pond grade).

There are so many pumps on the market. I do not know where to go. I do want
a good flow of water to make the waterfall dramatic. Does anyone care to
advise me on what pump I should obtain? I would want a pump which is under
the water. I would want this pump to be effecient, using less energy than
some pump. Are there any good solar pumps?

There will be a lot of plants and few fish in this pond.
Thanks so much for any help.

--
Steve


  #2  
Old April 5th 04, 12:40 AM
Grubber
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Posts: n/a
Default Which Pump is Best??

"Steve Shapson" wrote in message
...
I've finished building my pond (18'x18'x2'/attached to a 55' long 2' wide
stream up to a waterfall at a grade 4 feet above the pond grade).

There are so many pumps on the market. I do not know where to go. I do

want
a good flow of water to make the waterfall dramatic. Does anyone care to
advise me on what pump I should obtain? I would want a pump which is

under
the water. I would want this pump to be effecient, using less energy than
some pump. Are there any good solar pumps?

There will be a lot of plants and few fish in this pond.
Thanks so much for any help.

--
Steve



Having just put together a similar setup - 3000 gallon pond with 80' of
stream starting 4' above water level, plus 2 1/2' falls - let me suggest
that you think about using an external pump and 2" pipe. Submersibles are
less efficient, clog easier, and usually have 1" fittings. Friction loss
from the amount of pipe you need will be hefty if you try to use 1" pipe.
You can use a 1" to 2" adapter, but you still will have effiency and
clogging issues.

The initial expense will be a little higher, but the savings on electric
will soon put you ahead. I got a Sequence Cimarron
(http://www.azponds.com/new%20sequence.htm) and I am very happy with it. It
provides plenty of flow (2500gph+ @ 6" lift) for the stream and a nice
gushing waterfall, all for 120 watts. It is nice and quiet. Not silent,
but you can't hear it over the water unless you are right next to it.

I had tried to set this up with two submersibles originally but gave up and
ordered the external one less than a month later.


  #3  
Old April 5th 04, 12:40 AM
Grubber
external usenet poster
 
Posts: n/a
Default Which Pump is Best??

"Steve Shapson" wrote in message
...
I've finished building my pond (18'x18'x2'/attached to a 55' long 2' wide
stream up to a waterfall at a grade 4 feet above the pond grade).

There are so many pumps on the market. I do not know where to go. I do

want
a good flow of water to make the waterfall dramatic. Does anyone care to
advise me on what pump I should obtain? I would want a pump which is

under
the water. I would want this pump to be effecient, using less energy than
some pump. Are there any good solar pumps?

There will be a lot of plants and few fish in this pond.
Thanks so much for any help.

--
Steve



Having just put together a similar setup - 3000 gallon pond with 80' of
stream starting 4' above water level, plus 2 1/2' falls - let me suggest
that you think about using an external pump and 2" pipe. Submersibles are
less efficient, clog easier, and usually have 1" fittings. Friction loss
from the amount of pipe you need will be hefty if you try to use 1" pipe.
You can use a 1" to 2" adapter, but you still will have effiency and
clogging issues.

The initial expense will be a little higher, but the savings on electric
will soon put you ahead. I got a Sequence Cimarron
(http://www.azponds.com/new%20sequence.htm) and I am very happy with it. It
provides plenty of flow (2500gph+ @ 6" lift) for the stream and a nice
gushing waterfall, all for 120 watts. It is nice and quiet. Not silent,
but you can't hear it over the water unless you are right next to it.

I had tried to set this up with two submersibles originally but gave up and
ordered the external one less than a month later.


  #4  
Old April 5th 04, 10:25 PM
Kevin Carbis
external usenet poster
 
Posts: n/a
Default Which Pump is Best??

"Grubber" wrote in message hlink.net...
"Steve Shapson" wrote in message
...
I've finished building my pond (18'x18'x2'/attached to a 55' long 2' wide
stream up to a waterfall at a grade 4 feet above the pond grade).

There are so many pumps on the market. I do not know where to go. I do

want
a good flow of water to make the waterfall dramatic. Does anyone care to
advise me on what pump I should obtain? I would want a pump which is

under
the water. I would want this pump to be effecient, using less energy than
some pump. Are there any good solar pumps?

There will be a lot of plants and few fish in this pond.
Thanks so much for any help.

--
Steve




I would echo Grubber's comments. For larger ponds such as yours I
highly recommend an external pump. I don't have any experience with
the Sequence pump that Grubber mentioned, I use the PerformancePro
Artesian and it is an excellent pump.

Another suggestion would be to get a pump a little bigger than you
need. You can add a valve on the outflow side of your pump to choke
it down some if you need to reduce flow. In other words, you can't
make it pump more water but you can make it pump less. (Note: never
put anything that restricts flow on the suction side ).

In sizing the pump you'll want to know the distance from water line to
the top of your water fall, this is expressed in head feet. You'll
want to make sure the pump is rated for at least that much head. If
your filter sits above water level you'll want to include its height
as well.

If you do go external and the pump will sit above the water line be
sure and get a self-priming pump. I know the Artesian is
self-priming, not sure about the sequence.

Good Luck.
  #5  
Old April 5th 04, 10:25 PM
Kevin Carbis
external usenet poster
 
Posts: n/a
Default Which Pump is Best??

"Grubber" wrote in message hlink.net...
"Steve Shapson" wrote in message
...
I've finished building my pond (18'x18'x2'/attached to a 55' long 2' wide
stream up to a waterfall at a grade 4 feet above the pond grade).

There are so many pumps on the market. I do not know where to go. I do

want
a good flow of water to make the waterfall dramatic. Does anyone care to
advise me on what pump I should obtain? I would want a pump which is

under
the water. I would want this pump to be effecient, using less energy than
some pump. Are there any good solar pumps?

There will be a lot of plants and few fish in this pond.
Thanks so much for any help.

--
Steve




I would echo Grubber's comments. For larger ponds such as yours I
highly recommend an external pump. I don't have any experience with
the Sequence pump that Grubber mentioned, I use the PerformancePro
Artesian and it is an excellent pump.

Another suggestion would be to get a pump a little bigger than you
need. You can add a valve on the outflow side of your pump to choke
it down some if you need to reduce flow. In other words, you can't
make it pump more water but you can make it pump less. (Note: never
put anything that restricts flow on the suction side ).

In sizing the pump you'll want to know the distance from water line to
the top of your water fall, this is expressed in head feet. You'll
want to make sure the pump is rated for at least that much head. If
your filter sits above water level you'll want to include its height
as well.

If you do go external and the pump will sit above the water line be
sure and get a self-priming pump. I know the Artesian is
self-priming, not sure about the sequence.

Good Luck.
 




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