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Help - Troubleshooting - Hakko Air Pumps



Please click on the above categories for more information regarding maintenance and troubleshooting for your Hakko Air Pump.
Koi & Pond Tip of the Day
October 23rd, 2017
You can turn off the pumps and filters for the winter. Cold water holds much more oxygen than warm water and the fish's respiration is slow therefore you should not need the circulation and aeration.  However be sure to leave a hole if your pond freezes over.
Tips by » Koi Clubs USA

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We recommend that you use these small manifolds for aquariums. These small air manifolds c...

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The Hakko HK-40L Linear air pump represents a top of the line Linear Air Compressor with 3 year war...

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