PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium (Yellow) Garlands lever-lock legs for easy height

lever-lock legs for easy height adjustments

The Cedar Hang up can increase the spread of fragrance in a larger area

Our Happy Birthday candle is a tasty treat your friends and family are sure to love

then recalibrate the meter

Slotted Spoon

PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium (Yellow) Garlands lever-lock legs for easy heightPH Meter for Water Hydroponics Digital PH Tester Pen 0. 01 High Accuracy Pocket Size with 0 14 PH Measurement Range for Household Drinking, Pool and Aquarium (Yellow) Features: How to use calibrationPress CAL for 5 seconds to enter the calibration mode, press in turn to select the powders corresponding to 6. 86, 4, and 9. 18 to complete the calibration. Mini SizeThe mini size ph meter we designed allows you to easily put it in your pocket, so you can