My RODI system is 15 ft from my sump. Rather than buying an ATO reservoir, and an ATO device (pump and switch) I'm thinking about adding a second float switch directly in the return section of the sump (one float is already installed in a large brewing vat). Other than a good deal of turbulence in the sump (pumping 2500 gph) does anyone see any issues? Have others done this with success? Could save myself $400 if it works well, also consumes less space and less stuff to deal with.