Can I just pop one flavor out and another one in? No cleaning or anything between?
Do I just drip a couple of drops in an empty cart for "dripping"? How many drops?
Do you carry carts of more than one flavor and switch them out during the day?
Do I just drip a couple of drops in an empty cart for "dripping"? How many drops?
Do you carry carts of more than one flavor and switch them out during the day?