I'm not sure what could be used for those specific reference weights, however, you're right about the scale having a harder time reading lower weights. What I commonly do is turn the scale on, apply my weighing surface (typically a notecard),tare, put a 10g weight on to check for accuracy (if accurate I move on to weighing my spice, if not I make any adjustments necessary to get it to read accurately being no more than 2mg off), weigh my spice, then remove the spice, check with a 10g weight again, and then double check the amount of spice again.

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I add weight to bring it above 50mg before adding DMT. Doing this gives me consistent and accurate results. I use a wadded up piece of parchment paper and use parchment paper as a plate for the DMT then set the wad on it and weigh my spice. Works like a charm. The only thing I could think of that you could use and would be relatively available and consistent for that low of a weight is gunpowder. You could do a comparison to see how many grains vs mg and check it that way.

I just weighed numerous millet grains one at a time. They each weigh around 7 mg. Of course some were 9 mg and some 6mg but the average was 7.

Aluminium foil will have a standard weight per surface area. It should be possible to cut specific sizes of foil as standard weights, then roll/fold them up into a more manageable size.

Brilliant.

That's a great call!

I was also thinking specific coins have specific weights (more in line with Dirty T's method), but probably not within the 5mg to 10mg range.

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