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Air Pumps and Diffusers by Hakko

Of all the essential elements in water, oxygen is also in the shortest supply. The air we breathe is 21% oxygen. Water can only hold about 8 parts per million (mg/liter) or 0.0008% at 68 degrees F. Oxygen does not like water. It does not take long for oxygen to be depleted; it is our job to make sure it is replenished continuously. Our fish depend on us. HAKKO air pumps can be used to create a huge column of bubbles or “air lift” rising from the bottom of a pond or lake. This brings oxygen depleted water to the surface where the bubbles burst and create tremendous surface turbulence, circulation and aeration. HAKKO air pumps used in this manner will literally breathe life into your pond or lake.
HAKKO HK25LP LINEAR AIR PUMP 

This new body style is made of high quality composite resin that is very suitable for outdoor use at an affordable price. The large air filter is mounted on the side of the pump for easy cleaning. It is a small unit with a surprisingly high output. Built to last with a very durable body and mechanics meaning years and years of everlasting quality airflow.

HAKKO HK40L LINEAR AIR PUMP

Suitable for koi ponds up to 4000 gallons. This is a cast iron body style. It is a small unit with surprisingly high output. Ideal for water depths between 2 feet to 10 feet deep. Shut off depth is 14 feet deep. The Hakko air pumps are built to last with a very durable body and mechanics meaning years and years of everlasting quality airflow. Suitable for koi ponds up to 4,000 gallons.

HAKKO HK60L LINEAR AIR PUMP

 

Suitable for koi ponds up to 6000 gallons. This is a cast iron body style. It is a small unit with surprisingly high output. Ideal water depths between 2 feet to 12 feet. Shut off depth is 18 feet deep. The Hakko air pumps are built to last with a very durable body and mechanics meaning years and years of everlasting quality airflow.