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Saving the n-bacterias

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#1 benvanned


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Posted 16 February 2012 - 09:27 AM

A coworker gave me a nice nasty chunk of filter media from one of his 75 gallon setups. I would like to save this in case something goes terribly wrong with my tank. Would I be able to simply freeze this thing or will that completely kill the bacteria?

#2 Maryanne


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Posted 16 February 2012 - 12:19 PM

Freezing will not maintain the bacteria.

Keeping the filter media wet will preserve it for a few days, but after that, your bacteria will start to die.

Essentially what you'll have to do is set up a tank to maintain cycled filter media. You'll need a filter running in this tank with the filter media you wish to season, and you'll have to change the water in the tank by removing some every week and adding the "dirty" water from your routine water changes on your tanks with fish. Even this will only preserve a small amount of n-bacteria and when you use this cycled filter media in your tank to replace a crashed system there will still be a mini cycle.

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