Question 1

How deep does it work?

Accepted Answer

you will have to refer to the owners manual but it works great at 12 feet for me.

Question 2

Is there a method or formula for determining maximum length of air runs, along with depth and number of runs? For (HiBlow 200)!

Accepted Answer

Hello Scjirik,
Thanks for asking!
The answer to the best pump can vary with pond size, shape, depth, and the length of lines you are planning to run. Exceeding 10-12' depths with the HP-200 is not recommended.  Greater length of lines would require larger inner diameters of airline to avoid excessive back pressure on the pump diaphragms. Shape and size of the pond may determine how many lines need to be run and help determine pump sizing.
I hope this is helpful!
Dana at Practical Garden Ponds, 484-237-2080, ext.1

Question 3

Is the discharge 3/8" or 5/8" for the HiBlow hp200??

Accepted Answer

Hello Glen,
Thanks for the question.
The outside diameter of the outlet is 18mm (0.71") it also comes with a rubber comes with rubber elbow to adapt to 3/8" ID tubing.
I hope this is helpful!
Dana at Practical Garden Ponds, 484-237-2080, Ext.1

Question 4

Have a pond about 1/2 acre round in diameter, about 15' deep in center. Will this pump work and what accessories do you need?

Accepted Answer

Hello Carol,
Hiblow recommends that these pumps be used at a Max depth of 10' feet. While you may get away with 12' or 15' you may also be putting substantial backpressure on the pump and its components. Potentially causing failure to the diffusers and adding additional replacement of the diaphragm. The lengths of airlines are also to take into consideration. The HP series pumps are great units but using at a15' depth may void warranty. I would double check your depth to make sure it is accurate and also consider a deep water air pump. The most popular Aeration Compressor for ponds over 12’ in depth is by far the Rocking Piston Compressor. These can handle much deeper ponds, some of them can even handle up to 30’ depths.
I hope you find this helpful!
Dana at Practical Garden Ponds, 484-237-2080, Ext.1

ASIN	B00WZS9HGS
Best Sellers Rank	#111,101 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #512 in Water Garden & Pond Pumps
Brand Name	Hiblow
Color	Green
Customer Reviews	4.7 4.7 out of 5 stars (26)
Flow Rate	200 Liters Per Minute
Item Weight	21 Pounds
Manufacturer	Hiblow
Manufacturer Part Number	HP-200
Material Type	Metal
Model Number	HP-200
Power Source	ac
Product Style	Above Ground
UPC	762022551600
Unit Count	1.0 Count
Voltage	115 Volts

HP-200 Pond Aerator/Septic Linear Air Pump

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