12-24-2012, 01:35 PM
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Originally Posted by silvershark
I would like to know if you would be able to reuse the black carbon filter in the fluval u4 internal filter, it says on the instructions to change them every two weeks but surely this will turn out to be expensive to buy them all the time, is ther any allternative ? Also i am still cycling my tank do i need these black carbon filters ? Will the filter still do its job if i dont use them, Thank you all very much.
carbon only last a week or two....so the company is correct when stating that it should be replaced,
however, carbon serves absolutely no purpose unless you are trying to remove a medication you have added to the water, other than that carbon is waste and does nothing.....i have not used carbon in my filters for over 10 years,
in place of the carbon put more foam, wool, or bio balls in