Not sure, after putting it on my board, all of my pedals (Bassdude, Peterson Strobostomp, and Cab Sim) pop when engaging or disengaging. I am using a Cioks Sol and don't recall any popping before. Maybe just coincidence? I have tried engaging/disengaging the pedals multiple times to drain off static charge, I read about that somewhere but everything still pops no matter what is engaged or disengaged.

Message Nathan. He's awesome about troubleshooting & repairing his builds when needed.