Is Biomass Reusable in a Fishtank after the fish died?

  • Thread starter Thread starter A W
  • Start date Start date
A

A W

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Its a Flu Val Filter for a custom 75 i was wondering if i could clean out the biomass or i have to replace it
 
I wouldn't advice it just to be safe, but if you feel comfortable using the old one go right on ahead
 
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