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This month's club meeting included a visit from Dave Botwin who did a really nice presentation about how to use inexpensive parts to make your Apex controller more handy. I had to pick him up from the airport and after he was done gazing at my tank, we talked about what kinds of things I'd like my Apex to do that it doesn't do already. The first hurdle was overcoming my trust issues regarding the return pump.  I've always had that plugged directly into the a wall outlet so nothing could disable it other than a full-blown power outage.  No GFCI outlets, just keep it powered at all costs.