Unscrewing RO/DI Filters

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uscamaro

Aquarium Advice FINatic
Joined
Jan 8, 2008
Messages
861
Location
Las Vegas
So it's been 45min and no matter how hard I try I cannot unscrew the last filter. The first 2 filters were a pain in the @$$ to unscrew, but have been done. Now this last 1 I have been on for a good 30min doing everything I can think of.

It's a 5-stage unit from FilterDirect and all lines have been disconnected.

The plastic wrench it came with (that barely helped get the others off) broke; because (yes), it's on that tight. Also if you're wondering, the wrench was at the very top.

I have also used the hammer-tapping method to help release pressure, and it hasn't budged. :banghead:


I would really like not to destroy this unit so any insightful feedback would be wonderful.
 
Why so tight are you really socking it home I have the same filter with no problem like that . Try putting some vaseline on the o rings and on the threads then hand tighten it and give it a snugging with the wrench that should help. You could also use a pipe wrench with a rag around it so as not to damage the finish, ive done that also .Just go easy if you try the latter.
 
I had the same problem before. What I did was take a big dish towel and rapped it around the canister and twisted the two ends together real tight and it came free with no problem. I ever ordered a new wrench but never us it now
 
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