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Carbon Dioxide Chemical Test Kit
$36.99 USD
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Carbon Dioxide Chemical Test Kit Replacement Reagents (110 tests)
$29.99 USD
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Checker® pH Tester with 0.1 pH Resolution
$46.99 USD
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General pH Calibration Bundle, pH 4 & 7 (1 of each)
$6.95 USD
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General pH Calibration Bundle, pH 4 & 7 (25 Sachets)
$115.00 USD
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Glass Cuvettes and Caps for Checker HC Colorimeters (set of 2)
$14.99 USD
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Hanna Waterproof Pocket pH Tester with 0.1 Resolution - pHep®
$64.99 USD
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HI758U Marine calcium Checker HC® colorimeter
$74.99 USD Sold Out
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HI758U-26 Marine calcium Checker HC® colorimeter reagents for 25 tests
$34.99 USD
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HI772 Marine Alkalinity (dKH) Checker® HC
$74.99 USD Sold Out
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HI772-26 Marine alkalinity, colorimetric method, Reagents for 25 tests
$18.99 USD
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HI774 Marine phosphate - ultra low range Checker HC® colorimeter
$74.99 USD