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           Shown in photo, bottom middle

- Tear off length that you need from roll
- Determine pH easily and inexpensively, without instrumentation.
- Color changes instantaneously, compare to chart for determination.

pH Indicator on a Roll

Whole range pH Indicator
0-14 pH range
Roll size: 9mm W x 5.5 meter L
SKU: PH-0014RL
$24.50