GroLine Waterproof Hydroponic pH Tester Apparel The HI5036-023 is for 230

The HI5036-023 is for 230 mL of calibration solution

The standard can also be used to calibrate conductivity meters to 5

Why “Endo

5 Genetics: 2365 Wolf x 2344 Wallace

Terra Trove™ SP-1 Classic™

GroLine Waterproof Hydroponic pH Tester Apparel The HI5036-023 is for 230The GroLine HI98118 pH temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern looking meter is only 0. 7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98118 has a very large easy to read LCD display that shows both pH and temperature along with calibration, stability and low battery indicators. All operations are simplified to two buttons. One is for turning the meter