Ummm i do see one problem. the wood the shelf is made of needs to be replaced. Particle board will fall apart when wet. I had a slab outside and after it rained i tried to pick it up and i put my fingers thru it. Just lewtting u know b4 u find out the hard way. Other then that it is a great set up. Props to u. OHHHHHHHH how many gph is that pump??? How big is the tank and sump?