Waterfall building

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Hey everybody,

I have to build a small waterfall for a rigid liner pond and a bigger waterfall for a flexible liner pond.

My question is regarding to the pump i need.

How do i calculate what kind of pump i need.

For exemple. For a pond that is:
  • about 15 square meters(50 square feet)
  • 1.2 m deep (4 feet)
  • and waterfall about 1 m height (3,2 feet)

how do i calculate what pump i need, i mean how much debit flow should it have...like T2000, whatsoever


Being here...for a flexible liner pond ..same example, 6 sqaure meters ...how do i calculate how much EPDM i need.

Thank you very much.
Tomorrow i will go buy these pump and flexible liner so i have these dilemmas.

Respectfuly,
Radu
 

addy1

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around 1496 gallons.

If the pond is 10 x 5 you need a liner 20 x 15 feet

Total gallons of pond + 3 = Minimum pump size ................ so pump size around 1500 gallons per hour


 

fishin4cars

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Keep in mind head height and restrictions, On a pond that is about 1500 gallons , I would recommend a pump that pumps 2000-2500GPH this gives you more oxygen, better turn over rate and gives you some leadway for loss of head pressure when pumping to the waterfalls.
 

addy1

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fishin4cars said:
Keep in mind head height and restrictions, On a pond that is about 1500 gallons , I would recommend a pump that pumps 2000-2500GPH this gives you more oxygen, better turn over rate and gives you some leadway for loss of head pressure when pumping to the waterfalls.


We always say bigger is better!
 

fishin4cars

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The wife says that all the time, I wonder if she is throwing hints or making a point? :regular_waving_emot
 

addy1

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fishin4cars said:
The wife says that all the time, I wonder if she is throwing hints or making a point? :regular_waving_emot

ummmmmmmmmm only you know the answer to that one! :lol::rolleyes::rolleyes:
 

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