Junior Member
Good afternoon,
I wanted to buy a pump that I would use to manually water my garden in order to do water changes more often.
My garden is about 100*100 ft (pond is in a corner and is 3 feet deep), does anybody know/have experience/could recommend a flow rate that would be able to reach the entire garden from the pond, while simultaneously not being too strong that it damages plants?
Thank you very much!
Senior Member
How are you planning to water the garden? With a hose moving plant to plant? A sprinkler? How many gallons is the pond?
Senior Member
The distance to the garden from the pond and diameter of pipe/hose would also be a factor in the pressure and flow.
Another consideration is that you may not want to use it at times when certain chemical treatments have been used in the pond.
Junior Member
I'm planning on just using a standard 3/4 or inch pipe to spray water from the pump directly to the plants area by moving area to area.
It's a 2000 gallon pond with 4 koi that are about 1 foot each.
Junior Member
The distance would be up to 100 ft from the pond, and the diameter of the pipe would be 3/4 to 1 inch.
Senior Member
Take a look at the Wayne water bug 16 hp submersible pump that you can get many places like Amazon, Home Depot, Lowe’s. It’s a brightly yellow plastic pump that looks kind of like a water bug with a domed top and a flat legs at bottom. You hook a garden hose up either to the top or the side, drop the pump into the pond and off it goes pumping water out. I’ve used it with both 50 foot and 100 foot garden hoses and it does a great job of watering. I’ve also hooked it up to simple sprinkler heads. I store it in a big ceramic planter out of sight with the hose wrapped in the planter too. Quick and easy to use, currently between 100 and $125 dollars although it was about 90 when I bought it five years ago ago. I’ve never had a problem with it and it does the job.
Senior Member
Make sure to use watering devices with large enough openings to pass some solids that might be in the water. Conventional drip irrigation and many sprinklers will plug the orfaces. Also many pumps such as the WaterBug have a strainer that will plug. If you plan on pumping filter waste water a pump that can pass small solids will be needed.
Last edited by BWG; 11-08-2024 at 11:24 AM.
Senior Member
Set up irrigation pipes and spray fixtures along the back of the garden wall or fence and connect up to your existing pool pumps discharge pipe
work after the filters and immediately before feeding back to the to the pond.
A ball valve closing the supply water to the pond and a ball valve feeding the irrigation pipework via a newly fitted tee piece.
Open and close either valve ,without going to too much trouble.
Like finding a home for a hundred feet of 3/4"hose pipe and the pump,plus setting it up each time.
Last edited by coolwon; 4 Weeks Ago at 10:24 AM.
Supporting Member
1/6 HP , not 16 !Originally Posted by KingstonKoi
Senior Member
Yes 1/6 horsepower. With 16 hp, we could put out fires in the neighborhood except that it would drain the pond in a few minutes. Good catch, thank you.
Senior Member
And if you are working with a pump and a garden hose that you drop in, make sure that you pull the pump out of the pond when you stop using it.
If you leave it in and just disconnect the power, it can continue to siphon water out of pond. Came out the next day and found the pond 3/4 drained. Fortunately I set the pump near the side which is higher than the center. Otherwise it might have continued to siphon water out until it drained the entire pond even though the hose went up over the side of the pond.
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