fishplants Posted October 16, 2011 Report Share Posted October 16, 2011 Hi all, I am (hopefully) picking up my new Rio 400 (450l) at the end of this week. I would lke to run a decent size external filter on this tank in addition to the factory filter (which I will probably remove in the future). I was thinking of either a Fluval 405 or Eheim Professional 3 2073 (350). My question is; Do I need to make any adjustments to the size of the hose hole at the back of the tank? The hole looks a little small to be putting two hoses through? Thanks in advance. Quote Link to comment Share on other sites More sharing options...
ichthus Posted October 17, 2011 Report Share Posted October 17, 2011 If the hoses fit - no. If they don't fit - yes. The Juwel tanks I've seen aren't really designed with an external filter in mind, because they come with their own internal filter box. I have a friend who drilled through the hood of a Rio 400 to fit an additional heater - so if you are confident with a drill I'm guessing you may have to DIY. Quote Link to comment Share on other sites More sharing options...
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