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Discussion Starter · #1 ·
Can I simply just rinse my old (visibly clean) filer media under very hot water or even boil it for a moment or two?

Or do I need to replace all the media inside :icon_ques
 

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Fresh Fish Freak
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This is the way I stack all my canister filter media (I have all Renas and Eheims)

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Micron pad
Poly fiber floss
Purigen
Biomedia (ehfisubstrat usually)
fine sponges
coarse sponges
Ehfimech
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