Hi all, I have a 5 1/4 ft peninsula tank (Red Sea Peninsula 650), made a quick layout sketch below... Currently running three MP40's in three corners but have one corner where there is little flow and a build-up of waste. I'm unable to located an MP40 there as there is no access outside of the tank due to it being against a brick wall. I run my MP40's through an APEX WXM controller. Any suggestions for where to position another pump (and point flow) and ideas for a pump type. Another MP40 pointing inwards doesn't seem a good idea.