Built a 50 gallon tank, 50 gallon grow bed bell siphon system. I dont like how much the fishtank water fluctuates so want to add a sump. Can that be a 20 gallon bin. The pump out of tank is 220gph and constantly on. It drains/floods about every 15 minutes. Would having a 150gph pump in the sump work with a 20 gallon bin to always have enough water for the pump? Would i need to add water to the system for this to be true? Or is this just a bad idea with a flood and drain system? Just trying to get fish tank water to not fluctuate as much so that fish do not get stressed out. Any help appreciated.
Thanks in advance.