"WardsSci000338"
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ExStik® pH100 Meter
Flat electrode surface allows pH readings in liquid flms, semi-solids, and solids.
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ExStik® Dissolved Oxygen Meter
This convenient device measures dissolved oxygen concentration, saturation, and temperature - all in one!
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pH and ATC Pens, Large Display, Sper Scientific
Easy to carry, simple to operate and sufficient for most field pH tests.
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