Plastic pH Test Strips, Universal Application (pH 0 14), 100 Strips Saliva Soap Urine Food Liquids Water with Soil Testing Lab Monitoring 100 Count (Pack of 1) Size:100 Count (Pack of 1) Each polybag has 15 20pcs of 99 inches 203mm 2M Each polybag has 15 20pcs of resistors Read more 6 ring binder A5 6 ring binder with pockets to partition different resistor values Ohm's Law and Power Equation Diagram Ohm's LawElectrical Power equation Resistor Color Code Discrete thru hole resistor color code Calculation chartFor 4 Band and 5 Band Resistors Read more 1 2W Resistor Kit Diode Assortment LED Assortment Capacitor Assortment Transistor Assortment IC Assortment EEEEE 600 pcs 30 Values 16 Values 250 pcs 20 Values 301pcs 20 values 304 pcs 30 values 300pcs 20 values 161pcs Ceramic Capacitor Assortment Kit Linear Voltage Regulator Variable Resistor Kit Inductor Assortment KitKit MOSFET Assortment Kit Assorted Transistor kit EEEEE 300 pcs 30 models 50 pcs 10 Values 152 pcs 19 Values 160 pcs 20 Values 70 pcs 10 Values 1020 pcs 30 models high brightness The number above the matching color is your pH store these pH strips in their original packaging and in a cool