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#1
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![]() Small update nano is going strong.halloween hermit,pistol shrimp and goby all still alive and well lol. Been doing 10-20% water changes every 7 days
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#2
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![]() Halloween hermit crab moulted
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#3
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![]() When using hang on back filter how often do you change the replaceable filter? the one with carbon stuff in it? I know not to touch the bio filter.
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#4
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![]() The carbon has a very limited effective lifespan. After a week it does very little but still works to some degree for another couple of weeks. I would personally change the filter every 3-4 weeks but rinse it out with each water change. If I understand you correctly you are using the type of filter pad that has the carbon and filter pad as a single disposable unit. If you have one with a sponge and carbon separate then just replace the carbon and rinse out the sponge as the sponge will last a very long time.
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#5
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![]() Thank you!!
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#6
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![]() spike-fin goby is the best goby for a "stablished" nano IMO
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