Apera Instruments, LLC-AI1201 Apera Instruments,LLC PH60-E Replacement Probe for PH60 Pocket pH Tester

Apera Instruments AI311 PH60 Premium Waterproof pH Pocket Tester, Replaceable Probe, ±0.01 pH Accuracy, -2.00-16.00 pH Range

8oz. pH Calibration Buffer Solution Kit (pH 4.00 & 7.00), plus 4oz. 3M KCL Storage Solution for pH/ORP Electrodes

3M KCL Storage Soaking Solution (8 oz.) for pH and ORP Electrodes

Apera Instruments PH60S Premium Food pH Pocket Tester, Swiss Spear Sensor (Replaceable), ±0.01 pH Accuracy, -2.00-16.00 pH Range

Atlas Scientific pH/ORP Electrode Storage Solution 250ml (8oz)

Apera Instruments AI312 PH60F Premium pH Pocket Tester with Replaceable Flat Sensor, for Skin, Fabrics, Paper's pH Testing, ±0.01 pH Accuracy, -2.00-16.00 pH Range

H2O Sync pH/ORP Electrode Storage Solution 8 oz / 237 mL for use with pH Probes and ORP Probes to Extend Life

Apera Instruments AI1114 pH Calibration Solution Kit (7.00, 4.00), 16 oz. for Each, Plus a CalBox for Easy Organization of All Buffer Solutions, HDPE (High Density Polyethylene)

IS Extra Large pH Buffer Calibration Kit - 16.9 Ounce each pH 4, 7, 10 and 4 Ounce Potassium Chloride - Curated Chemical Collection

VIVOSUN Patented 6 Inch Clip on Oscillating Fan Fit for 0.59 to 1 Inch Grow Tent Pole with 2-Speed Control