Good points about the detergent—switching to low-suds definitely helps. But I'm curious, have you tried adding a simple pre-filter or settling tank be...

Grease pencils, huh? Haven't tried those yet. Usually, I just stick with painter's tape and a sharpie—easy to peel off and update without much hassle....

Nice job tackling that yourself. Wiring stuff always makes me a bit cautious...but sounds like you covered your bases with the multimeter check. Did r...