If I did the conversion correctly, this is not advice for transfering from GW nastypots. It looks like a great idea but if I calculate right, you would need 8 of those 2ml microcentrifuge tubes per jar of GW paint (listed as 1/2 oz). The other draw back is what to do with 1000 tiny jars when not using them. I don't see how I could ever need so many. Still, a few could be useful.