Milwaukee MA991B/1 Lab-Grade Glass pH Probe – BNC Connector, Gel-Filled, Single Junction HM Digital PH-80 Spill-Proof Lid — Secure closure

Spill-Proof Lid — Secure closure with convenient carry handle for on-the-go use

No staining formula – Dye-free solution won't contaminate or stain the reference cell of pH electrodes

The slurry is allowed to rest for 10 minutes so that the solids will settle out and the pH of liquid above can be measured

hydroponic nutrient solutions (5

Milwaukee MA991B/1 Lab-Grade Glass pH Probe – BNC Connector, Gel-Filled, Single Junction HM Digital PH-80 Spill-Proof Lid — Secure closureMilwaukee MA991B 1 Lab Grade Glass pH Probe BNC Connector Precision pH measurement built for education, student labs, and general purpose water testing. The Milwaukee MA991B 1 is a professional grade single junction glass pH electrode engineered for environments where accuracy, ease of cleaning, and minimal maintenance matter most from high school science classrooms to university research labs. Picture a busy lab period: students rotating through