I have a 75 all glass that has no overflow and a stock 55g and 29g. The 75 is obviously my DT and the other two are possible sumps. I have a quietone 4000, 2 mag5s, a mag7 and a 4MDQSC. I want a sump and a CL. What would you do if you were starting from scratch as I am? C2C, standard...