tigrosuk Posted April 28, 2008 Share Posted April 28, 2008 Hi, I'm looking to mod my Orca 450 in order to increase flow and turnover, but i'm a bit confused on details, please tell me if I've got this right, 1. leave stock pump in 1st chamber. 2. remove stock pump in last chamber and replace with maxijet 600. leave other/spare hole closed. 3. remove spray bar and replace with hydor flo. 4. Fit koralia nano into display area. I am getting confused when posts say things like 'ADD' 600/900 pump to last chamber instead of replace. and also have hydor flo aswell as spray bar. if someone could clear this up I'd be most greatful, Chris. Link to comment
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