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pH Electrode, Refillable | pH Tester, Basic Handheld | Checker Pocket Sized pH Meter |
Catalog #: 3275-43
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Catalog #: 3275-12
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Catalog #: HI98103
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Our price: $46.50
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Our price: $44.50
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Our price: $36.95
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pH Electrode, Basic | pH Strips Test Paper, Wide Range | Acid Indicator Strips Blue Litmus Test Paper |
Catalog #: 3275-41
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Catalog #: 4305-1
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Catalog #: 4302-1
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Our price: $36.50
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Our price: $1.85
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Our price: $1.30
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Base Indicator Strips Red Litmus Test Paper | ||
Catalog #: 4301-1
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Our price: $1.30
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