Make your own liquid for vaping cartridges?
Good evening, I bought a vaping cartridge today and wanted to fill it with liquid, flavor, and oxalate. Following professional advice, I mixed 10ml of 50/50 base with 10ml of flavor. When I added 0.25g of oxalate to 1ml, it seemed barely soluble. Now, after heating, it's somewhat dissolved and in a 1ml cartridge, although…