Vaping around Greys (or any birds) is a big no-go. Their lungs are super sensitive, and even the vapor from a
THCA carts (which is considered way less harmful) or other vapes can leave behind residues that could harm them. The VG and PG in vape juice create a sticky layer on surfaces (like how car windows get hazy after vaping), and that same residue can build up in their delicate air sacs.