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- Alfred Digital PH/Temp Meter Water Resistant specs - Specifications: Measures pH and Temperature One-touch automatic digital calibration Water resistant Simultaneous temperature display Sleek, lightweight design Large LCD display Automatic Temperature Compensation (ATC) Auto-off function,...
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- Alfred's Digital EC/TDS Meter specs - Specifications: Four scales: EC: µS, mS; TDS: ppm, ppt Automatic Temperature Compensation (ATC) Water resistant Measurement Range: 0-9990 µS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt Digital Calibration (push...
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- pH Test Kit 1oz - Features: GH pH 1 oz. test kit with test vial offers wide spectrum testing (pH 4.0 to 8.5). This concentrated solution requires only 5 drops per test.General Hydroponics pH...