I am seriosly thinking about adding four wave boxes to my sps vat. The vats are 3'x7'x 16"deep. First thing will this work? I already have three 6100's and a single 6200 on a controller. They give good current but was looking to get rid of some dead spots. How do four wave boxes work and how many controllers will I need. Basically Rodger Im asking what tunze equipment will I need to make this happen. Thank you