Hi, am thinking of changing my internal Juwel Bioflow M filter for a Fluval 307 external filter on my Rio 125 tank.
Firstly, am after some advice on doing this such as if the new fiter would be suitable, would it be beneficial and how I'd get the old internal filter out of the tank etc.
Secondly i'd like to know how this would atually be done in terms of the filter media & bacteria etc, - i'm assuming i couldnt just take the old filter out & put the new one in?
TIA
Firstly, am after some advice on doing this such as if the new fiter would be suitable, would it be beneficial and how I'd get the old internal filter out of the tank etc.
Secondly i'd like to know how this would atually be done in terms of the filter media & bacteria etc, - i'm assuming i couldnt just take the old filter out & put the new one in?
TIA