The 7-3000-15 is pH Test Paper Neutral Litmus, 100 strips per vial.
Used to test for acid or alkili.
Item# | Description |
7-3000-1 | pH Test Paper, Acid Neutral Base |
7-3000-11 | pH Test Paper, Cobalt Chloride |
7-3000-15 | pH Test Paper, Neutral Litmus |