So, just take the old filter out, rinse it in old tank water as is, and put it back in Doesn't? Doesn't the carbon inside get old and need to be replaced?Don’t replace your filter media like the manufacturer suggests - just rinse it in old tank water when it gets clogged and put it back in the filter. Taking out your media and replacing it with new will harm your cycle by removing a large portion of your tank’s nitrifying bacteria.
It does, but unless you are using carbon for a specific reason (removing meds for example) then you don’t need to run it all the time.So, just take the old filter out, rinse it in old tank water as is, and put it back in Doesn't? Doesn't the carbon inside get old and need to be replaced?