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Old 09/25/2020, 08:06 AM   #5
rvitko
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Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,715
The best practice to prime it is to tip it upside down while submerged. The other ways usually work, but it can happen some air remains and then the next pump run, it again cannot prime. I would generally suggest as a practice that anytime the pump has been out of water, tip it upside down once resubmerged.


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Roger Vitko
Tunze USA

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Current Tank Info: 210 gallon planted tank with Altum Angelfish
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