Track pens and cartridges

Log pen entries in units or mg; VialVine shows both.

1. 1Add it with Add vials → More details → Container type: Pen cartridge.
2. 2Set the form (prefilled or premixed) and enter the liquid in it (mL), so units convert.
3. 3Optional: note which pen it goes in and its color.

When you log from a cartridge, enter units or mg. VialVine fills in the other, counts it toward what's left, and shows both in History. Units are always whole numbers.

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