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Go Direct® Calcium Ion-Selective Electrode |
$299.00 |
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$299.00 |
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× |
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Go Direct® Wide-Range Temperature Probe |
$139.00 |
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$139.00 |
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× |
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Go Direct® Glass-Body pH Sensor |
$159.00 |
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$159.00 |
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× |
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Go Direct® Tris-Compatible Flat pH |
$139.00 |
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$139.00 |
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× |
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Water Depth Sampler |
$114.00 |
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$114.00 |
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