Hi, I am setting up a new 120 gallon tank with the dimensions of 4'x2'x2' (w/ .75" glass). I plan on moving my existing setup into it, and stocking includes softies, lps, and some sps and clams. I have a 2 1/2" sand bed, and 120 lbs of live rock. How large of a stream pump should I put in the tank? I don't want to blow all the leathers and zoas away, nor do I want a constant sandstorm. I plan on purchasing a single controller and a photocell along with it. Where should I place the pump? Also, to anyone (other than Roger), who has a magnetic mount for their tank, is it really worth the $60 for the 3/4" thick glass model? Does the regular mount allow you to mount the pump in a corner and then angle it towards the front/center of the tank?