Quote:
Originally Posted by Ian NZ
It would be easy to test the ball just put it into some of that fluid in a phial and see if it sinks.
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The 'red' is too toxic for me.
The glass-ball idea is the best. re:
https://www.jansjewels.com/3.5mm-No-...ds_p_3583.html
glass tube i.d. is 9/64" or 3.571 mm.