Several folks (Marv and Don come to mind) have recommended scales in
lieu of epoxy pumps.  Appeals to me, so I've been shopping.

Marv seems satisfied with the Ohaus Scout (300G capacity with 0.1
resolution).

I'm also looking at the Ohaus CS200 (200G capacity with 0.1G
resolution and 0.1G accuracy (for $68.00).

I think most of these scales do "tare to capacity by subtraction"
which I understand to mean you can tare up to the capacity of the
scale in multiple steps.  So I could put an empty container on the
scale, tare to 0, weigh resin, tare to 0, weigh hardener, all without
removing the container from the scale -- so long as the total of
container, resin and hardener is less than the capacity of the scale.
Is that the way "tare to capacity by subtraction" works?

We have the fast-build Legacy and did the one week workshop so most
of the big volume steps are complete.  And of course we could always
just measure several cups individually and then mix.

My question is what capacity scale do we really need?
My instinct is to go with "just big enough" on the assumption that
I'll get best accuracy.  Any thoughts, recommendation or regrets?

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