Wide Range pH Paper (pH 5.5-8.0). Hydrion wide range pH papers provide accurate pH measurement at each full (1.00) pH unit.
Hydrion papers work best with buffered solutions. For unbuffered solutions, use Lo Ion kits.
Instructions:
- Dip into solution
- Remove at once
- Immediately compare to color chart
Perque pH Hydrion Papers
PERQUE®
$23.99
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