Pond Equipment » Aeration for Koi Ponds

Hakko Air Pumps are high volume diaphragm pumps designed for a variety of low-pressure applications.

Koi pond aeration, large aquarium aeration and earth pond destratification are only a few of the many applications for Hakko pumps.

Hakko pumps are compact, affordable, energy-efficient and very, very quiet (less than 38 decibels!)!

Hakko units utilize linear- motor theorem to reduce power consumption during full operation. Units are extremely quite utilizing spectrum analysis technology in order to decrease any mechanical noise.

• No oil needed for lubrication making the Hakko easy to maintain.
• These are the best large air pumps available today.
• 18 month warranty through the manufacturer.

Model	HK-40	HK-60
Flow	2.3 CFM	3.4 CFM
Power	40 Watts	63 Watts
Noise Level	35 dB	38 dB
Normal Pressure	1.85 psi	2.13 psi
Closed Pressure	5.50 psi	6.70 psi

This concrete drain cover allows debris to enter the bottom drain while preventing fish from being drawn in.

Advantages:

• Easiest drain available to install. (see discussion)
• Easiest drain to service if drain begins to plug. (see discussion)
  
• Drain weighs 22 pounds so the fish can't move it.
  
• Leg height can easily be adjusted for more clearance if needed.

This concrete drain cover has all the advantages of the standard drain cover plus a built in air diffuser for aeration.

• Fired at very high temperature (1300C) to create a very strong and long lasting air stone.
• Uniform size pores produce even airflow and superior oxygenation.
• Does not corrode or dissolve like sand air stones.
• Structurally sound and impact resistant.
• Requires less air pressure for proper operation.
• Can be used in freshwater or salt water.
• Reusable with proper maintenance.

Durable self weighted diffuser stones made from fused alumina under ultra high temperature and pressure. Suitable for wide range of water conditions, washable and reusable, does not disintegrate over time.

• Extremely durable and washable (reusable) air diffusing media
• Manufactured with brown Adamantine Spar (corundum/alumina) under ultra high tempeature and pressure
• Applicable in Acidic or Alkaline waters (low or high pH)
• Ozone resistant (except for C30D series)
• Suitable for aquarium, koi pond, fish hatchery and aquaculture applications

Durable solid construction with corrosion resistant electroplated finish

0.675" OD (compatible with 5/8" ID flexible hose, hose clamps recommended)

3/16" valved taps

This 2 Hp, all metal, air blower is manufactured by Sacramento Koi to meet the high performance standards required to properly backwash our bead filter. This blower comes standard with each Adavantage Bead Filter. Blower draws 7.5 amps at 120 volts. Also available in 240 volts.