Exactly, a view name like "Kegs/Bottles" or "Storage". Under this view you could have it laid out as so;
Name Type Quantity Full Empty
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19L Keg 4 2 2
500ml Bottle 23 10 13
750ml Bottle 54 22 32
And then another view called "Cellar" which would be something like;
Recipe 19L 500ml 750ml
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IPA 1 0 0
Lager 0 2 25
The Storage types (19L, 500ml, 750ml) would be variable based on what was in the "Kegs/Bottles" list. Each recipe in the list would be linked back to the brew sheet. And you could decrese the storage count either from the Cellar or the Brew Sheet. Once a recipe is 'empty' it is automatically removed from the Cellar list.
Just some ideas.