Changing Charcoal Filters.

Karen Morphis

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I did a site search and couldn’t find an answer. I am using an under gravel filter and it came with small charcoal filters on the lift tubes. How often should they be changed and do I even need them. I have always used under gravel filters and they never had these before.
 

david1978

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Its a newer thing. The charcoal lasts about a month till its no longer effective. Do you need it, not really.
 
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Karen Morphis

Karen Morphis

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david1978 said:
Its a newer thing. The charcoal lasts about a month till its no longer effective. Do you need it, not really.
Thanks so much
 

Coptapia

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Take them out, they’re just a gimmick and will reduce the efficiency of the filters. Also it’s now known that carbon is not a good idea in an aquarium. It has been implicated as a cause in various diseases...
 

NickAu

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At the risk of dragging this off topic I have to ask

Also it’s now known that carbon is not a good idea in an aquarium. It has been implicated as a cause in various diseases...
Such as?
 

Coptapia

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Carbon produces microscopic dust particles that get into the sensory pores of the lateral line. This has been shown to be a contributing factor in HLLE (Head and Lateral Line Erosion) and it’s related condition HITH (Hole in the Head).
 

goldface

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NickAu said:
At the risk of dragging this off topic I have to ask


Such as?
I remember reading a paper, possibly a scientific paper, on it being the potential cause of hole in the head disease. I'm honestly not sure what to think.
 
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Karen Morphis

Karen Morphis

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Thanks for the info. I don’t have any fish in there yet. My glass top, lights and pump are coming today and plants tomorrow. Will remove them ASAP.
 

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