I've had decent luck with vinegar too, but I find it can dull the finish slightly if used too often. Has anyone tried rubbing alcohol solutions instea...

Totally agree with this. Inspectors usually appreciate transparency and genuine effort more than perfection. I've had a few inspections mid-renovation...

Good tip on blending banana peels—makes sense since smaller particles increase surface area for nutrient uptake. I've had mixed results too, but your ...