pH Indicator Strips or Roll
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PH-0014RL
Whole range pH Indicator
0-14 pH range
Roll size: 9mm W x 5.5 meter L
$24.50
PH-0111BK
Universal pH Indicator Strip
1-11 pH range, Strip size: 7x70mm
20 Strips/booklet, 10 booklets/unit (200)
$23.45