Well, someone gave me a DE filter, I now have a sand one. I am seriously kicking around getting them both up. So, the question is now how to do it. Shall they be connected in series? I tend to think not... or out of the pump, tee off to a valve each way, one goes to the sand filter, one to the DE? Then, where they connect to the heater, go valves again to a tee leading into the heater, then when it is time to switch pumps, it is basically a matter of opening two valves and closing two? Sound good?

This year I also FULLY go BBB by dumping the Nature2 system. I look forward to another flawless spring startup.