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| Qualitative Introduction to Water Pollution Kit | Nitrate in Fresh Water Test Kit | Phosphate in Fresh Water Test Kit |
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Catalog #: LA19
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Catalog #: LA19-1-NI
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Catalog #: LA19-1-PH
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Our price: $175.00
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Our price: $57.00
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Our price: $48.95
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| Copper / Iron Test Kit | Copper / Iron Test Kit - Complete Kit | |
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Catalog #: LM5877
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Catalog #: KT-LM5877
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Our price: $28.50
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Our price: $34.90
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