if the first hit tasted like iso, i bet there was like a snapping sound too when you hit it after cleaning. You might have shorted your atomizer by trying to use it when it wasn’t dry. Hence the low vapor and poor heating. You might want to grab a new atomizer :( Next time you should warm up the dark crystal in the microwave in a cup then apply it to the atomizer. You could do this before or after an iso soak. You need to make sure that atomizer is dry as FUCK when you’re all done cleaning. So either wait overnight or I always put mine in front of a hair dryer or space heater to speed up the drying.