PondWorld is proud to be an OASE Authorized Web Retailer
"Great service and EXCELLENT packaging, after a couple of years buying from various websites I believe I have found my pond supplier!"-Laurie C., California
"I just had the pleasure of placing an order with your company.Cathy was an absolute jewel - she was patient, knowledgeable and extremely helpful in helping me select the appropriate items for my needs. It has been a true pleasure doing business with you."Scotty D., South Carolina
Head pressure is the force that a pond pump must overcome to push water out of the end of a tubing run....like to a waterfall. To calculate head pressure you must take into account vertical lift resistance, length of pip/ hose and fittings.
Vertical Lift = 1' head pressure 10' of Hose = 1' head pressure 90° Fitting = 2' head pressure Other Fittings = 1' head pressure
The basic formula for calculating head pressure is: Vertical Lift + (Length of Tubing/ 10) + (90° Fittings*2) + Other Fittings = Total Head
Example: If your waterfall is 5' high and you have one 90° fitting, 20' of tubing and 2 other fittings, how much head pressure is that? 5 + (20/10) + (1*2) + 2 = 11' total head pressure.
This means when you are looking at the flow charts on the pond pumps, you need to look at the flow rate at 11' of head pressure to determine the appropriate sized pump for your application.
Use our handy Head Pressure Calculator to help determine the appropriate pump.
Vertical Lift:
Length of Tubing:
# of 90° Fittings:
# of Other Fittings:
Total Head Pressure: