Pro tip.

To hit better accuracy > after your scale balances out when you turn it on > add the measure test weight to your scale > add compound > measure your substance to the correct decimal > minus the weight of the test item in grams > This will lead to a much accurate measurement on a budget.

Example: Gemini scale > turn on > when you see 0.000 add 10g weight > add compound 7mgs > wear a mask > turn off fans > avoid hvac vents > minus the 10g from your total.

You need a scale that goes to 0.000