I've got a small pond (800 gallons) that needs to be cleaned out. I won't
get into it, but I want to use a garden hose to drain the pond. Isn't there
some sort of gizmo that can be attached to a hose to create a pretty healthy
vacuum? Where can I get one? Thanks.
Most waterbed repair kits come with a little gizmo that will create a siphon
from running water. Used to be commonly available at K-Mart, Wally World,
etc., if you could find someone who knew where they were stocked. You'd want a
pretty good screen over than intake to keep 'er from clogging up 'tho.
Just submerge the garden hose until it is full with water, or fill it from a
hose bib. Leave one end of the hose in your pond, close the other end with
your palm or a plastic shut-off and lower it to the drainage area so that
the hose-end is below the water level in the pool. It will drain the pool.
(no sucking necessary)
It's called a "pump". ;-) Probably a dirty-water pump, although you
could use a clear-water pump if you have a good strainer on the suction
I would just use a siphon if possible and let it run for a long time.
I knew it was a pump ;-) but I thought there was a crank-like siphon that
could be attached at the end of the hose to get a really good vacuum going.
As it is, I'm draining about a gallon a week. Maybe I just need to go and
rent a sump pump.
The driving potential is the height differential between the upper and
lower ends...the initial pressure drop is immaterial to subsequent flow
rate. The problem is a garden hose is such small diameter you're losing
it all in friction losses, most likely.
Yes but you'll run 8000 gallons (minimum) to drain
the 800 gallons out and only if you have a very
load elevation change. Even one of those little
pump gizmos (about $10) to put on a drill would
more much better. (Forget this idea.)
What you need is a pump, a real pump, maybe a
sump pump would be the way to go.
For a siphon to work, the discharge end of the hose must be lower than
the intake end. If you can arrange that, just fill a hose with water,
keep the discharge end sealed until you dunk the intake side into the
pond, then open up the discharge end. (A hose sprayer can do the
sealing for you.)
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