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The Best Size Pond Pump You Need For Your Koi Pond

The Best Size Will Help Keep Your Maryland, DC, Or Northern Virginia Pond Clean And Clear

What size pond pump do I need? This is a great question because the answer can determine the health and beauty of your pond. The best pond pump size is one that will keep your pond clean and clear.

You can find out the details in the post below-

Function Is Beauty

“If it doesn’t work right then it won’t look right either.”

Nick needs his koi pond to be clean and clear. The best way to do that is to have the proper inner workings, like the pond pump.

“You have a good point, dear,” says his wife, Alice. “If you know that, then what’s the problem?”

The problem is, Nick doesn’t know what size pond pump he needs. He decides to turn to Google to see what he can find on pond pump sizing.

After searching, here is what he found on correctly sizing pond pumps-

What To Keep In Mind

“I have to think about what the pump will be for.”

Pond pumps can be used for water recirculation and/or filtration. If you’re using it for filtration and you have fish then it’s good to get a larger model. It’ll keep your pond cleaner and your fish happier.

“Happy fish, happy…uuhhh…fish I guess,” Nick poorly jokes. Alice smiles and rolls her eyes as he continues.

Head pressure is another feature to keep in mind when looking for what size pond pump you need. It’s basically how far a pump can push water.

Typical pond pumps have a maximum head pressure of 20 to 60 feet. But that number is only for pushing water straight up. When the water comes out at the top of the waterfall or stream gravity will help move it along.

“If it doesn’t pump far enough the water will be too weak and too strong equals too far,” Nick summarizes.

The flow rate for waterfalls can be found by multiplying the waterfall width by the gallons per hour:

  • Light: 50 gallons x width
  • Average: 100 gallons x width
  • Strong: 200 gallons x width

“And that’s pretty much all I need to know! I can also call and ask pretty much any pond contractor or supplier for help,” Nick finishes.

Wait, What’s This?

Suddenly, Nick’s eye catches a link that leads to a post covering the problems pond pumps can have. He wants to know about them before he’s in the middle of having one, so he clicks the link.