Ya, I was gonna say the same thing. The orange stuff looks like it might be a beneficial fungi. The white could be too, but my first guess would be Ca for the white stuff. I have no idea though. I'm just talking out my ass.No problem, fungal life is beneficial for your soil.
Ah, the old mechanics trick to test what fluid is leaking from your car.I would taste it. That way you know for sure. Salts will taste salty. Just don't swallow.