I’m in the process of setting up a new 75 gallon tank with a 30 gallon sump. I’d like to plumb a manifold in the return line so I can run 1-2 reactors in the event of an emergency (carbon, GFO, UV, etc). The tank has a 1” drain and a 3/4” return. Here’s my schematic. Any feedback is greatly appreciated. Also would need to know how large of a pump id want to run. I drew it up with a few gate valves to fine tune flow to the reactors and to also put some back pressure on the return line itself... thanks!