YSI EcoSense pH/EC1030A pH and Conductivity Pen
Easy-to-use graphic interface, simple one-hand operation, memory and IP-67 waterproof housing.

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We're open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET
We're open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET