Extech ExStik Waterproof pH Pen Model PH100 3.20 X 8.15 X 11.20 quality materials and a wide

quality materials and a wide volume range makes this call one you need

S/N 3920XT13 TO S/N 3920XT20

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Balanced Habitat Design: Supports baitfish protection and sportfish ambush zones in a single kit

an optional

Extech ExStik Waterproof pH Pen Model PH100 3.20 X 8.15 X 11.20 quality materials and a wideExtech ExStik Waterproof pH Pen Model PH100 DESCRIPTION This multi application pH pen features a large, 3 1 2 digit digital display with a bar graph which fluctuates to show changes in a particular reading. Fifteen readings can be stored and recalled, and the last calibrated value is saved. The pen also displays temperature. Other features include data validation indicators that show the reading is stabilized, data hold for current reading, automatic