step
1.: Do the test on under a bright light on a ceramic
plate or white glass. Do not test on materials
as metal, paper or stone.
step
2.: Scrape little bit off the pill onto the plate.
In case of a capsule: open it carefully and put
a little on the plate. You only need a little
bit!
step3.: Screw the cap off the bottle and put 1-2
drops of liquid on the scraping by turning the
bottle upside down and wait until a drop comes
out.
step
4.: Observe the color change (if any) and compare
it to the color chart. when finished, rinse the
plate with plenty of water. |