Should I use teflon tape on pump in sump?

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Maximo

Aquarium Advice Activist
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I need to put a barb fitting on the output of my Mag pump that is going to be in my sump. Typically teflon tape is used to prevent the threaded connection from leaking. I am leary of using it as the pump will be submerged in the sump and I am afraid the tape will contaminate the water. Should I use something else or should I even worry about it? Do I even need to worry about it leaking as it will be submerged?

TIA,

-Eric
 
Teflon tape is VERY inert. Its generaly approved by the NSF for water, FDA for food applications, approved for use on gasoline natural gas lines, and is MilSpec.
 
theatrus said:
Teflon tape is VERY inert. Its generaly approved by the NSF for water, FDA for food applications, approved for use on gasoline natural gas lines, and is MilSpec.
I concur. I used teflon tape on all my pipe connections without any apparent ill effect.

8)
 
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