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Whisper Bio




Whisper Bio
Whisper PF 60 ???

I am not a aquarium novice. But, I mostly used an under gravel filter before upgrading to a larger tank and a diffrent filtration system.
The whisper 60 has two BIO Filter Cartridges (individual flow).
My ? is … Should I change both at the same time or just one at a time ?
I do not want to kill/destroy the good bacteria that the old filter(s) cartridges has established.

No … This is not a TetraTec 300/500 in which you would just “shuffle” the cartridges.

Yes … This “new” tank was properly “cycled” .
If you own one of these, or if you have any information regarding my question, please answer.
Sorry I said … individual flow. I meant dual flow, individual filter bag per flow.

They’re pretty good, haven’t used one myself, I just know from around the hobby and different groups. Yes, change at different times.

Good Luck.


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